-rw-r--r-- | another.scad | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/another.scad b/another.scad index 0d67286..8334b11 100644 --- a/another.scad +++ b/another.scad | |||
@@ -1,498 +1,499 @@ | |||
1 | draft=true; | 1 | draft=true; |
2 | layer_height=0.2; extrusion_width=0.4; | 2 | layer_height=0.2; extrusion_width=0.4; |
3 | epsilon=0.01; | 3 | epsilon=0.01; |
4 | $fs=0.0125; | 4 | $fs=0.0125; |
5 | 5 | ||
6 | use <pushfittery.scad>; | 6 | use <pushfittery.scad>; |
7 | include <pushfit_data.scad>; | 7 | include <pushfit_data.scad>; |
8 | include <pulley_data.scad>; | 8 | include <pulley_data.scad>; |
9 | 9 | ||
10 | module the_extruder( | 10 | module the_extruder( |
11 | // motor properties | 11 | // motor properties |
12 | gearbox_d = 36, | 12 | gearbox_d = 36, |
13 | mount_d = 28, // the distance between opposite mounting holes | 13 | mount_d = 28, // the distance between opposite mounting holes |
14 | mounthole_depth = 5, | 14 | mounthole_depth = 5, |
15 | mounthole_min_depth = 3, mounthole_max_depth = 4, | 15 | mounthole_min_depth = 3, mounthole_max_depth = 4, |
16 | protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox | 16 | protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox |
17 | bore_d = 8, bore_l = 17.6, | 17 | bore_d = 8, bore_l = 17.6, |
18 | bore_dd = 7, | 18 | bore_dd = 7, |
19 | // pulley properties | 19 | // pulley properties |
20 | pulley = pulley_e3d, | 20 | pulley = pulley_e3d, |
21 | pulley_elevation = 1, // pulley elevation above the protrusion | 21 | pulley_elevation = 1, // pulley elevation above the protrusion |
22 | // idler properties | 22 | // idler properties |
23 | idler_d = 10, idler_h = 4, idler_id = 3,// idler dimensions: outer and inner diameters and height | 23 | idler_d = 10, idler_h = 4, idler_id = 3,// idler dimensions: outer and inner diameters and height |
24 | // spring properties | 24 | // spring properties |
25 | spring_d = 10, spring_lc = 9.6, // spring diameter and compressed length | 25 | spring_d = 10, spring_lc = 9.6, // spring diameter and compressed length |
26 | // filament path properties | 26 | // filament path properties |
27 | filament_d = 1.75, | 27 | filament_d = 1.75, |
28 | filament_path_d = 2, | 28 | filament_path_d = 2, |
29 | filament_guide_d = 4, // PTFE filament guide diameter | 29 | filament_guide_d = 4, // PTFE filament guide diameter |
30 | // knob properties | 30 | // knob properties |
31 | knob_h = 10, | 31 | knob_h = 10, |
32 | knob_indent_d = 4, | 32 | knob_indent_d = 4, |
33 | knob_indents = 12, | 33 | knob_indents = 12, |
34 | knob_v_clearance = 1, | 34 | knob_v_clearance = 1, |
35 | // spring tensioner | 35 | // spring tensioner |
36 | st_nut_d = 9, st_nut_h = 4, | 36 | st_nut_d = 9, st_nut_h = 4, |
37 | st_screw_d = 5, | 37 | st_screw_d = 5, |
38 | st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, | 38 | st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, |
39 | st_split_w = 4*extrusion_width, | 39 | st_split_w = 4*extrusion_width, |
40 | 40 | ||
41 | // screw it | 41 | // screw it |
42 | mount_screw_d = 3.1, mount_screw_l = 20, | 42 | mount_screw_d = 3.1, mount_screw_l = 20, |
43 | mount_screwhead_d=6, mount_screwhead_h=3, | 43 | mount_screwhead_d=6, mount_screwhead_h=3, |
44 | idler_screw_d = 3, | 44 | idler_screw_d = 3, |
45 | idler_screwhead_d=6, idler_screwhead_h=3, | 45 | idler_screwhead_d=6, idler_screwhead_h=3, |
46 | 46 | ||
47 | pf = pushfit_metal, | 47 | pf = pushfit_metal, |
48 | pf_shell = max(3*layer_height,3*extrusion_width), | 48 | pf_shell = max(3*layer_height,3*extrusion_width), |
49 | 49 | ||
50 | // empty spaces | 50 | // empty spaces |
51 | idler_travel = 3, // how far should idler travel when pressed | 51 | idler_travel = 3, // how far should idler travel when pressed |
52 | idler_clearance=.5, | 52 | idler_clearance=.5, |
53 | pulley_small_d_clearance=.5, | 53 | pulley_small_d_clearance=.5, |
54 | lever_v_clearance=.7, // vertical clearance for the lever | 54 | lever_v_clearance=.7, // vertical clearance for the lever |
55 | spring_d_clearance=1, | 55 | spring_d_clearance=1, |
56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion | 56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion |
57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion | 57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion |
58 | mount_screw_d_tolerance=.4, | 58 | mount_screw_d_tolerance=.4, |
59 | idler_v_tolerance=.5, | 59 | idler_v_tolerance=.5, |
60 | knob_bore_d_tolerance=.8, | 60 | knob_bore_d_tolerance=.8, |
61 | st_nut_h_tolerance=.2, | 61 | st_nut_h_tolerance=.2, |
62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ | 62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ |
63 | st_screw_d_tolerance=.5, | 63 | st_screw_d_tolerance=.5, |
64 | st_split_w_tolerance = .3, | 64 | st_split_w_tolerance = .3, |
65 | 65 | ||
66 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. | 66 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. |
67 | min_xy_shell = 2*extrusion_width, | 67 | min_xy_shell = 2*extrusion_width, |
68 | 68 | ||
69 | body_label = "another", body_label_thickness = layer_height, | 69 | body_label = "another", body_label_thickness = layer_height, |
70 | knob_label = "another", knob_label_thickness = 2*layer_height, knob_label_size=undef, | 70 | knob_label = "another", knob_label_thickness = 2*layer_height, knob_label_size=undef, |
71 | 71 | ||
72 | what="lever", // lever|body|knob|springpad|* | 72 | what="lever", // lever|body|knob|springpad|* |
73 | left=false, | 73 | left=false, |
74 | vitamins = true, | 74 | vitamins = true, |
75 | bridges = true, | 75 | bridges = true, |
76 | debug = false, | 76 | debug = false, |
77 | ) { | 77 | ) { |
78 | fnd = 2*PI; fnr = 2*fnd; | 78 | fnd = 2*PI; fnr = 2*fnd; |
79 | function lu(m,k) = m[search([k],m)[0]][1]; | 79 | function lu(m,k) = m[search([k],m)[0]][1]; |
80 | 80 | ||
81 | pulley_d = lu(pulley,"d"); | 81 | pulley_d = lu(pulley,"d"); |
82 | pulley_h = lu(pulley,"h"); | 82 | pulley_h = lu(pulley,"h"); |
83 | teeth_elevation = lu(pulley,"fe"); | 83 | teeth_elevation = lu(pulley,"fe"); |
84 | filament_offset = lu(pulley,"g")+filament_d/2; | 84 | filament_offset = lu(pulley,"g")+filament_d/2; |
85 | pulley_d_clearance = lu(pulley,"ssrc")*2; | 85 | pulley_d_clearance = lu(pulley,"ssrc")*2; |
86 | 86 | ||
87 | idler_filament_offset = filament_path_d/2; | 87 | idler_filament_offset = filament_path_d/2; |
88 | lever_shell = mount_screwhead_h+0.5; | 88 | lever_shell = mount_screwhead_h+0.5; |
89 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); | 89 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); |
90 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie | 90 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie |
91 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; | 91 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; |
92 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) | 92 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) |
93 | sqrt(c*c+pow(a-c,2)); | 93 | sqrt(c*c+pow(a-c,2)); |
94 | longwing_travel = idler_travel*longwing/shortwing; | 94 | longwing_travel = idler_travel*longwing/shortwing; |
95 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); | 95 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); |
96 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); | 96 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); |
97 | spring_dl = idler_travel*longwing/ri; | 97 | spring_dl = idler_travel*longwing/ri; |
98 | // finger and spring support | 98 | // finger and spring support |
99 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); | 99 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); |
100 | 100 | ||
101 | mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; | 101 | mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; |
102 | mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; | 102 | mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; |
103 | filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; | 103 | filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; |
104 | ls_z = filament_elevation; // leverspace mid-z | 104 | ls_z = filament_elevation; // leverspace mid-z |
105 | ls_h = lever_thickness+lever_v_clearance; // leverspace height | 105 | ls_h = lever_thickness+lever_v_clearance; // leverspace height |
106 | mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell); | 106 | mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell); |
107 | body_h = max(protrusion_h+bore_l,mount_screw_l-mount_depth+mount_screwhead_h+min_z_shell,ls_z*2); | 107 | body_h = max(protrusion_h+bore_l,mount_screw_l-mount_depth+mount_screwhead_h+min_z_shell,ls_z*2); |
108 | echo("mount depth",mount_depth); | 108 | echo("mount depth",mount_depth); |
109 | 109 | ||
110 | pf_offset = mount_d/sqrt(2)/2+mount_screw_d/2+min_xy_shell; | ||
111 | |||
110 | module teardrop(r,d,h,center=false,angle=45) { | 112 | module teardrop(r,d,h,center=false,angle=45) { |
111 | dd = d ? d : (2*r); | 113 | dd = d ? d : (2*r); |
112 | $fn = dd*fnd; | 114 | $fn = dd*fnd; |
113 | cylinder(d=dd,h=h,center=center); | 115 | cylinder(d=dd,h=h,center=center); |
114 | if(angle>0) translate([0,0,center?-h/2:0]) | 116 | if(angle>0) translate([0,0,center?-h/2:0]) |
115 | rotate([0,0,angle]) | 117 | rotate([0,0,angle]) |
116 | cube(size=[d/2,d/2,h]); | 118 | cube(size=[d/2,d/2,h]); |
117 | } | 119 | } |
118 | 120 | ||
119 | module mirrorleft() { | 121 | module mirrorleft() { |
120 | mirror([left?0:1,0,0]) children(); | 122 | mirror([left?0:1,0,0]) children(); |
121 | } | 123 | } |
122 | module place_idler() { | 124 | module place_idler() { |
123 | rotate([0,0,45]) | 125 | rotate([0,0,45]) |
124 | translate([(pulley_d+idler_d)/2,0,0]) | 126 | translate([(pulley_d+idler_d)/2,0,0]) |
125 | children(); | 127 | children(); |
126 | } | 128 | } |
127 | module finger_indent(d=lever_thickness,depth/*=1*/,r/*=15*/) { | 129 | module finger_indent(d=lever_thickness,depth/*=1*/,r/*=15*/) { |
128 | if(depth) { | 130 | if(depth) { |
129 | hh = (-4*pow(depth,2)+pow(d,2))/(8*depth); | 131 | hh = (-4*pow(depth,2)+pow(d,2))/(8*depth); |
130 | rr = depth+hh; | 132 | rr = depth+hh; |
131 | translate([0,0,hh]) sphere(r=rr,$fn=fnr*rr); | 133 | translate([0,0,hh]) sphere(r=rr,$fn=fnr*rr); |
132 | }else if(r) { | 134 | }else if(r) { |
133 | hh=sqrt(pow(r,2)-pow(d,2)/4); | 135 | hh=sqrt(pow(r,2)-pow(d,2)/4); |
134 | translate([0,0,hh]) sphere(r=r,$fn=fnr*r); | 136 | translate([0,0,hh]) sphere(r=r,$fn=fnr*r); |
135 | } | 137 | } |
136 | } | 138 | } |
137 | 139 | ||
138 | % if(vitamins) mirrorleft() { | 140 | % if(vitamins) mirrorleft() { |
139 | translate([0,0,-epsilon]) mirror([0,0,1]) cylinder(d=gearbox_d,h=1,$fn=60); | 141 | translate([0,0,-epsilon]) mirror([0,0,1]) cylinder(d=gearbox_d,h=1,$fn=60); |
140 | for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) | 142 | for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) |
141 | cylinder(d=mount_screw_d,h=20,$fn=30); | 143 | cylinder(d=mount_screw_d,h=20,$fn=30); |
142 | translate([0,0,-epsilon]) cylinder(d=protrusion_d,h=protrusion_h,$fn=30); | 144 | translate([0,0,-epsilon]) cylinder(d=protrusion_d,h=protrusion_h,$fn=30); |
143 | translate([0,0,protrusion_h]) { | 145 | translate([0,0,protrusion_h]) { |
144 | difference() { | 146 | difference() { |
145 | cylinder(d=bore_d,h=bore_l,$fn=30); | 147 | cylinder(d=bore_d,h=bore_l,$fn=30); |
146 | translate([-bore_d/2-1,bore_dd-bore_d/2,-1]) | 148 | translate([-bore_d/2-1,bore_dd-bore_d/2,-1]) |
147 | cube([bore_d+2,bore_d/2,bore_l+2]); | 149 | cube([bore_d+2,bore_d/2,bore_l+2]); |
148 | } | 150 | } |
149 | translate([0,0,pulley_elevation]) { | 151 | translate([0,0,pulley_elevation]) { |
150 | cylinder(d=pulley_d,h=pulley_h,$fn=30); | 152 | cylinder(d=pulley_d,h=pulley_h,$fn=30); |
151 | translate([0,0,teeth_elevation]) { | 153 | translate([0,0,teeth_elevation]) { |
152 | place_idler() { | 154 | place_idler() { |
153 | cylinder(d=idler_d,h=idler_h,center=true,$fn=30); | 155 | cylinder(d=idler_d,h=idler_h,center=true,$fn=30); |
154 | cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); | 156 | cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); |
155 | }//place idler | 157 | }//place idler |
156 | // filament path | 158 | // filament path |
157 | rotate([0,0,45]) { | 159 | rotate([0,0,45]) { |
158 | translate([pulley_d/2-idler_filament_offset,0,0]) rotate([90,0,0]) { | 160 | translate([pulley_d/2-idler_filament_offset,0,0]) rotate([90,0,0]) { |
159 | cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); | 161 | cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); |
160 | }//rotate translate | 162 | }//rotate translate |
161 | translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) { | 163 | translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) { |
162 | cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); | 164 | cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); |
163 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d]) | 165 | translate([0,0,pf_offset]) |
164 | pushfit(pf); | 166 | pushfit(pf); |
165 | }//rotate translate | 167 | }//rotate translate |
166 | }//rotate | 168 | }//rotate |
167 | }//translate teeth | 169 | }//translate teeth |
168 | }//translate pulley | 170 | }//translate pulley |
169 | }//translate protrusion | 171 | }//translate protrusion |
170 | }//vitamins | 172 | }//vitamins |
171 | 173 | ||
172 | module lever() { | 174 | module lever() { |
173 | translate([0,0,protrusion_h+pulley_elevation+teeth_elevation]) { | 175 | translate([0,0,protrusion_h+pulley_elevation+teeth_elevation]) { |
174 | difference() { | 176 | difference() { |
175 | union() { | 177 | union() { |
176 | hull() { | 178 | hull() { |
177 | place_idler() | 179 | place_idler() |
178 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); | 180 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); |
179 | translate([mount_d/2,0,0]) | 181 | translate([mount_d/2,0,0]) |
180 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); | 182 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); |
181 | }//hull | 183 | }//hull |
182 | hull() { | 184 | hull() { |
183 | translate([mount_d/2,0,0]) | 185 | translate([mount_d/2,0,0]) |
184 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); | 186 | cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); |
185 | translate([mount_d/2,-longwing,0]) rotate([0,90,0]) | 187 | translate([mount_d/2,-longwing,0]) rotate([0,90,0]) |
186 | cylinder(d=lever_thickness,h=lsd,center=true,$fn=60); | 188 | cylinder(d=lever_thickness,h=lsd,center=true,$fn=60); |
187 | }//hull | 189 | }//hull |
188 | }//union | 190 | }//union |
189 | 191 | ||
190 | // filament path | 192 | // filament path |
191 | place_idler() | 193 | place_idler() |
192 | translate([-idler_d/2-idler_filament_offset,0,0]) | 194 | translate([-idler_d/2-idler_filament_offset,0,0]) |
193 | rotate([90,0,0]) { | 195 | rotate([90,0,0]) { |
194 | mirror([0,1,0]) | 196 | mirror([0,1,0]) |
195 | teardrop(d=filament_path_d,h=3*gearbox_d,center=true); | 197 | teardrop(d=filament_path_d,h=3*gearbox_d,center=true); |
196 | translate([0,0, | 198 | translate([0,0, |
197 | sqrt(2)*(mount_d-pulley_d+lsd)/2 | 199 | sqrt(2)*(mount_d-pulley_d+lsd)/2 |
198 | ]) { | 200 | ]) { |
199 | cylinder(d1=filament_path_d,d2=2*filament_path_d, | 201 | cylinder(d1=filament_path_d,d2=2*filament_path_d, |
200 | h=filament_path_d,$fn=2*filament_path_d*fnd); | 202 | h=filament_path_d,$fn=2*filament_path_d*fnd); |
201 | translate([0,0,filament_path_d-epsilon]) | 203 | translate([0,0,filament_path_d-epsilon]) |
202 | cylinder(d=2*filament_path_d,h=lsd*sqrt(2),$fn=2*filament_path_d*fnd); | 204 | cylinder(d=2*filament_path_d,h=lsd*sqrt(2),$fn=2*filament_path_d*fnd); |
203 | }//translate | 205 | }//translate |
204 | }//rotate translate place_idler | 206 | }//rotate translate place_idler |
205 | 207 | ||
206 | // idler space and mounting hole | 208 | // idler space and mounting hole |
207 | place_idler() { | 209 | place_idler() { |
208 | cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60); | 210 | cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60); |
209 | cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); | 211 | cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); |
210 | translate([0,0,lever_thickness/2-idler_screwhead_h]) | 212 | translate([0,0,lever_thickness/2-idler_screwhead_h]) |
211 | cylinder(d=idler_screwhead_d,h=idler_screwhead_h+1,$fn=fnd*idler_screwhead_d); | 213 | cylinder(d=idler_screwhead_d,h=idler_screwhead_h+1,$fn=fnd*idler_screwhead_d); |
212 | } | 214 | } |
213 | // mounting screw hole | 215 | // mounting screw hole |
214 | translate([mount_d/2,0,0]) | 216 | translate([mount_d/2,0,0]) |
215 | cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d); | 217 | cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d); |
216 | 218 | ||
217 | // lever end | 219 | // lever end |
218 | translate([mount_d/2,0,0]) rotate([0,90,0]) { | 220 | translate([mount_d/2,0,0]) rotate([0,90,0]) { |
219 | translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15); | 221 | translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15); |
220 | translate([0,-longwing,0]) | 222 | translate([0,-longwing,0]) |
221 | mirror([0,0,1]) | 223 | mirror([0,0,1]) |
222 | difference() { | 224 | difference() { |
223 | cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=fnd*(spring_d+spring_d_clearance)); | 225 | cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=fnd*(spring_d+spring_d_clearance)); |
224 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 226 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
225 | } | 227 | } |
226 | }//rotate-translate | 228 | }//rotate-translate |
227 | }//difference | 229 | }//difference |
228 | // bridging patch | 230 | // bridging patch |
229 | if(bridges) place_idler() | 231 | if(bridges) place_idler() |
230 | translate([0,0,lever_thickness/2-mount_screwhead_h]) | 232 | translate([0,0,lever_thickness/2-mount_screwhead_h]) |
231 | mirror([0,0,1]) | 233 | mirror([0,0,1]) |
232 | cylinder(d=mount_screwhead_d,h=layer_height); | 234 | cylinder(d=mount_screwhead_d,h=layer_height); |
233 | }//translate | 235 | }//translate |
234 | }//lever module | 236 | }//lever module |
235 | 237 | ||
236 | module body() { | 238 | module body() { |
237 | difference() { | 239 | difference() { |
238 | union() { | 240 | union() { |
239 | cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); | 241 | cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); |
240 | // spring tensioner part | 242 | // spring tensioner part |
241 | translate([-gearbox_d/2,0,0]) hull() { | 243 | translate([-gearbox_d/2,0,0]) hull() { |
242 | translate([0,-longwing,ls_z]) | 244 | translate([0,-longwing,ls_z]) |
243 | rotate([0,90,0]) | 245 | rotate([0,90,0]) |
244 | cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); | 246 | cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); |
245 | hh=body_h-ls_z; | 247 | hh=body_h-ls_z; |
246 | translate([0,0,ls_z]) | 248 | translate([0,0,ls_z]) |
247 | mirror([0,1,0]) cube(size=[fsw,longwing+(st_split_w+st_split_w_tolerance)/2+st_thickshell,body_h-ls_z]); | 249 | mirror([0,1,0]) cube(size=[fsw,longwing+(st_split_w+st_split_w_tolerance)/2+st_thickshell,body_h-ls_z]); |
248 | hhh=ls_z; | 250 | hhh=ls_z; |
249 | translate([0,0,0]) | 251 | translate([0,0,0]) |
250 | mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); | 252 | mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); |
251 | }//hull translate | 253 | }//hull translate |
252 | 254 | ||
253 | // pushfit bracket | 255 | // pushfit bracket |
254 | translate([0,0,filament_elevation]) | 256 | translate([0,0,filament_elevation]) |
255 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) | 257 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) |
256 | rotate([-90,0,0]) | 258 | rotate([-90,0,0]) |
257 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) { | 259 | translate([0,0,pf_offset-gearbox_d/2/*TODO:*/]) { |
258 | pfbl = pf_h(pf)+gearbox_d/2; //TODO: | 260 | pfbl = pf_h(pf)+gearbox_d/2; //TODO: |
259 | pfbd = pf_d(pf)+2*pf_shell; | 261 | pfbd = pf_d(pf)+2*pf_shell; |
260 | hull() { | 262 | hull() { |
261 | cylinder(d=pfbd,h=pfbl,$fn=pfbd*fnd); | 263 | cylinder(d=pfbd,h=pfbl,$fn=pfbd*fnd); |
262 | translate([-epsilon/2,0,0]) { | 264 | translate([-epsilon/2,0,0]) { |
263 | cube(size=[epsilon,filament_elevation,pfbl-filament_elevation+pfbd/2]); | 265 | cube(size=[epsilon,filament_elevation,pfbl-filament_elevation+pfbd/2]); |
264 | mirror([0,1,0]) | 266 | mirror([0,1,0]) |
265 | cube(size=[epsilon,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfbd/2]); | 267 | cube(size=[epsilon,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfbd/2]); |
266 | }//translate | 268 | }//translate |
267 | }//hull | 269 | }//hull |
268 | }//translate rotate translate rotate translate | 270 | }//translate rotate translate rotate translate |
269 | }//union (first child of difference) | 271 | }//union (first child of difference) |
270 | 272 | ||
271 | // protrusion | 273 | // protrusion |
272 | translate([0,0,-1]) | 274 | translate([0,0,-1]) |
273 | cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h)); | 275 | cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h)); |
274 | // mount screw holes | 276 | // mount screw holes |
275 | for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { | 277 | for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { |
276 | translate([0,0,mount_screw_l-mount_depth-(bridges?layer_height:-epsilon)]) | 278 | translate([0,0,mount_screw_l-mount_depth-(bridges?layer_height:-epsilon)]) |
277 | mirror([0,0,1]) | 279 | mirror([0,0,1]) |
278 | cylinder(d=mount_screw_d+mount_screw_d_tolerance, | 280 | cylinder(d=mount_screw_d+mount_screw_d_tolerance, |
279 | h=mount_screw_l-mount_depth+1, | 281 | h=mount_screw_l-mount_depth+1, |
280 | $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); | 282 | $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); |
281 | translate([0,0,mount_screw_l-mount_depth]) | 283 | translate([0,0,mount_screw_l-mount_depth]) |
282 | cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); | 284 | cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); |
283 | }//for | 285 | }//for |
284 | // pushfit | 286 | // pushfit |
285 | pf_offset = mount_d/sqrt(2)/2+mount_screw_d; | ||
286 | translate([0,0,filament_elevation]) | 287 | translate([0,0,filament_elevation]) |
287 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) | 288 | rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) |
288 | rotate([-90,0,0]) | 289 | rotate([-90,0,0]) |
289 | translate([0,0,pf_offset]) | 290 | translate([0,0,pf_offset]) |
290 | rotate([0,0,180]) { | 291 | rotate([0,0,180]) { |
291 | pushfit(pf); | 292 | pushfit(pf); |
292 | mirror([0,0,1]) { | 293 | mirror([0,0,1]) { |
293 | fh = 1.5* (filament_guide_d-filament_path_d)/2; | 294 | fh = 1.5* (filament_guide_d-filament_path_d)/2; |
294 | fo = pf_offset -filament_path_d /*(idler_d+idler_clearance)/2*/-fh; | 295 | fo = pf_offset -filament_path_d /*(idler_d+idler_clearance)/2*/-fh; |
295 | translate([0,0,-1]) teardrop(d=filament_guide_d,h=fo/2,angle=225); | 296 | translate([0,0,-1]) teardrop(d=filament_guide_d,h=fo/2,angle=225); |
296 | translate([0,0,-1]) teardrop(d=filament_path_d,h=gearbox_d/2+1,angle=-225); | 297 | translate([0,0,-1]) teardrop(d=filament_path_d,h=gearbox_d/2+1,angle=-225); |
297 | translate([0,0,fo+epsilon]) | 298 | translate([0,0,fo+epsilon]) |
298 | cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); | 299 | cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); |
299 | }//mirror | 300 | }//mirror |
300 | }//rotate translate rotate translate rotate translate | 301 | }//rotate translate rotate translate rotate translate |
301 | // pulley | 302 | // pulley |
302 | cylinder(d=pulley_d+pulley_small_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); | 303 | cylinder(d=pulley_d+pulley_small_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); |
303 | cylinder(d=pulley_d+pulley_d_clearance,ls_z-max(idler_h,filament_guide_d)/2,$fn=fnd*(pulley_d+pulley_d_clearance)); | 304 | cylinder(d=pulley_d+pulley_d_clearance,ls_z-max(idler_h,filament_guide_d)/2,$fn=fnd*(pulley_d+pulley_d_clearance)); |
304 | 305 | ||
305 | translate([0,0,ls_z-ls_h/2]) { | 306 | translate([0,0,ls_z-ls_h/2]) { |
306 | // idler travel | 307 | // idler travel |
307 | translate([mount_d/2,0,0]) | 308 | translate([mount_d/2,0,0]) |
308 | rotate([0,0,45]) | 309 | rotate([0,0,45]) |
309 | rotate_extrude(angle=90,$fn=fnr*(shortwing+(idler_d+idler_clearance)/2)) | 310 | rotate_extrude(angle=90,$fn=fnr*(shortwing+(idler_d+idler_clearance)/2)) |
310 | square([shortwing+(idler_d+idler_clearance)/2,ls_h]); | 311 | square([shortwing+(idler_d+idler_clearance)/2,ls_h]); |
311 | // idler itself | 312 | // idler itself |
312 | place_idler() | 313 | place_idler() |
313 | cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); | 314 | cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); |
314 | // lever space | 315 | // lever space |
315 | rotate([0,0,45]) | 316 | rotate([0,0,45]) |
316 | rotate_extrude(angle=-135+max(atan(2*fsw/gearbox_d-1),atan(gearbox_d/mount_d-1))) | 317 | rotate_extrude(angle=-135+max(atan(2*fsw/gearbox_d-1),atan(gearbox_d/mount_d-1))) |
317 | square([gearbox_d/2+1,ls_h]); | 318 | square([gearbox_d/2+1,ls_h]); |
318 | } | 319 | } |
319 | 320 | ||
320 | // back side cutout | 321 | // back side cutout |
321 | // XXX: this is somewhat ugly and potentially bugged, | 322 | // XXX: this is somewhat ugly and potentially bugged, |
322 | // but I want to sleep. | 323 | // but I want to sleep. |
323 | a0_ = atan( | 324 | a0_ = atan( |
324 | (mount_d/sqrt(2)/2+mount_screw_d+pf_h(pf)+gearbox_d/2) | 325 | (pf_offset+pf_h(pf)+gearbox_d/2) |
325 | / | 326 | / |
326 | ( | 327 | ( |
327 | pulley_d/2+filament_offset- | 328 | pulley_d/2+filament_offset- |
328 | (pf_d(pf)+2*pf_shell)/2/cos(30) | 329 | (pf_d(pf)+2*pf_shell)/2/cos(30) |
329 | ) | 330 | ) |
330 | ); | 331 | ); |
331 | a0 = -135 + ( (a0_>0) ? a0_ : 180+a0_ ); | 332 | a0 = -135 + ( (a0_>0) ? a0_ : 180+a0_ ); |
332 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); | 333 | a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); |
333 | translate([0,0,ls_z]) difference() { | 334 | translate([0,0,ls_z]) difference() { |
334 | rotate([0,0,-180+a0]) | 335 | rotate([0,0,-180+a0]) |
335 | rotate_extrude(angle=a1-a0) | 336 | rotate_extrude(angle=a1-a0) |
336 | translate([0,-ls_h/2]) | 337 | translate([0,-ls_h/2]) |
337 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, | 338 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, |
338 | ls_h]); | 339 | ls_h]); |
339 | translate([-mount_d/2,0,0]) | 340 | translate([-mount_d/2,0,0]) |
340 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); | 341 | cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); |
341 | }//difference translate | 342 | }//difference translate |
342 | 343 | ||
343 | // spring tensioner | 344 | // spring tensioner |
344 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { | 345 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { |
345 | mirror([0,0,1]) { | 346 | mirror([0,0,1]) { |
346 | translate([0,0,st_thickshell]) | 347 | translate([0,0,st_thickshell]) |
347 | hull() for(o=[0,spring_d]) translate([0,-o,0]) | 348 | hull() for(o=[0,spring_d]) translate([0,-o,0]) |
348 | rotate([0,0,30]) | 349 | rotate([0,0,30]) |
349 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 350 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
350 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 351 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
351 | bigd = spring_d+spring_d_clearance; | 352 | bigd = spring_d+spring_d_clearance; |
352 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; | 353 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
353 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { | 354 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { |
354 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 355 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, |
355 | h=hf+epsilon, $fn=fnd*bigd); | 356 | h=hf+epsilon, $fn=fnd*bigd); |
356 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) | 357 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) |
357 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); | 358 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); |
358 | }//translate | 359 | }//translate |
359 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 360 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
360 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 361 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
361 | }//mirror | 362 | }//mirror |
362 | }//translate | 363 | }//translate |
363 | 364 | ||
364 | // label | 365 | // label |
365 | body_label(); | 366 | body_label(); |
366 | 367 | ||
367 | }//difference | 368 | }//difference |
368 | 369 | ||
369 | }//body module | 370 | }//body module |
370 | module body_label() { | 371 | module body_label() { |
371 | if(body_label) { | 372 | if(body_label) { |
372 | label=body_label; | 373 | label=body_label; |
373 | label_thickness=body_label_thickness; | 374 | label_thickness=body_label_thickness; |
374 | label_len = len(label); | 375 | label_len = len(label); |
375 | labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; | 376 | labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; |
376 | translate([0,0,body_h-label_thickness]) | 377 | translate([0,0,body_h-label_thickness]) |
377 | linear_extrude(height=label_thickness+epsilon,convexity=64) | 378 | linear_extrude(height=label_thickness+epsilon,convexity=64) |
378 | translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) | 379 | translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) |
379 | mirror([left?0:1,0]) | 380 | mirror([left?0:1,0]) |
380 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); | 381 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); |
381 | }else sphere(d=epsilon); // to avoid makefile breakage | 382 | }else sphere(d=epsilon); // to avoid makefile breakage |
382 | } | 383 | } |
383 | 384 | ||
384 | module springpad() { | 385 | module springpad() { |
385 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; | 386 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; |
386 | bigd = spring_d+spring_d_clearance/2; | 387 | bigd = spring_d+spring_d_clearance/2; |
387 | hf = (bigd-smalld)/2; | 388 | hf = (bigd-smalld)/2; |
388 | h = hf*3.5; | 389 | h = hf*3.5; |
389 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) | 390 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) |
390 | rotate([0,90,0]) difference() { | 391 | rotate([0,90,0]) difference() { |
391 | union() { | 392 | union() { |
392 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 393 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
393 | translate([0,0,hf-epsilon]) | 394 | translate([0,0,hf-epsilon]) |
394 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); | 395 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); |
395 | translate([0,0,h]) | 396 | translate([0,0,h]) |
396 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 397 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
397 | l = body_h-ls_z; | 398 | l = body_h-ls_z; |
398 | w = st_split_w; | 399 | w = st_split_w; |
399 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { | 400 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { |
400 | translate([0,0,w]) | 401 | translate([0,0,w]) |
401 | cube(size=[l,st_split_w,w]); | 402 | cube(size=[l,st_split_w,w]); |
402 | cube(size=[l-w,st_split_w,2*w]); | 403 | cube(size=[l-w,st_split_w,2*w]); |
403 | } | 404 | } |
404 | } | 405 | } |
405 | translate([0,0,-epsilon]) | 406 | translate([0,0,-epsilon]) |
406 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 407 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
407 | } | 408 | } |
408 | } | 409 | } |
409 | 410 | ||
410 | module knob() { | 411 | module knob() { |
411 | ch = knob_indent_d/2; | 412 | ch = knob_indent_d/2; |
412 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; | 413 | knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; |
413 | translate([0,0,body_h+epsilon]) { | 414 | translate([0,0,body_h+epsilon]) { |
414 | mirror([0,0,1]) translate([0,0,-epsilon]) { | 415 | mirror([0,0,1]) translate([0,0,-epsilon]) { |
415 | difference() { | 416 | difference() { |
416 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); | 417 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); |
417 | translate([0,0,-1]) difference() { | 418 | translate([0,0,-1]) difference() { |
418 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 419 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
419 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 420 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
420 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 421 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
421 | } | 422 | } |
422 | } | 423 | } |
423 | } | 424 | } |
424 | difference() { | 425 | difference() { |
425 | hull() { | 426 | hull() { |
426 | cylinder(d=gearbox_d-2*ch,h=knob_h,$fn=fnd*gearbox_d); | 427 | cylinder(d=gearbox_d-2*ch,h=knob_h,$fn=fnd*gearbox_d); |
427 | translate([0,0,ch]) | 428 | translate([0,0,ch]) |
428 | cylinder(d=gearbox_d,h=knob_h-2*ch,$fn=fnd*gearbox_d); | 429 | cylinder(d=gearbox_d,h=knob_h-2*ch,$fn=fnd*gearbox_d); |
429 | } | 430 | } |
430 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) | 431 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) |
431 | translate([0,gearbox_d/2,-1]) | 432 | translate([0,gearbox_d/2,-1]) |
432 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); | 433 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); |
433 | translate([0,0,-body_h-epsilon]) knob_label(); | 434 | translate([0,0,-body_h-epsilon]) knob_label(); |
434 | } | 435 | } |
435 | } | 436 | } |
436 | }//knob module | 437 | }//knob module |
437 | module knob_label() { | 438 | module knob_label() { |
438 | if(knob_label) { | 439 | if(knob_label) { |
439 | ll = len(knob_label); | 440 | ll = len(knob_label); |
440 | lsl = gearbox_d-knob_indent_d; | 441 | lsl = gearbox_d-knob_indent_d; |
441 | ts = knob_label_size?knob_label_size:min(lsl/ll,gearbox_d/4); | 442 | ts = knob_label_size?knob_label_size:min(lsl/ll,gearbox_d/4); |
442 | translate([0,0,body_h+epsilon+knob_h-knob_label_thickness]) | 443 | translate([0,0,body_h+epsilon+knob_h-knob_label_thickness]) |
443 | linear_extrude(height=knob_label_thickness+epsilon,convexity=64) | 444 | linear_extrude(height=knob_label_thickness+epsilon,convexity=64) |
444 | mirror([left?0:1,0]) | 445 | mirror([left?0:1,0]) |
445 | text(text=knob_label,size=ts,halign="center",valign="center",font="Arial Black"); | 446 | text(text=knob_label,size=ts,halign="center",valign="center",font="Arial Black"); |
446 | }else sphere(d=epsilon); // to avoid makefile breakage | 447 | }else sphere(d=epsilon); // to avoid makefile breakage |
447 | } | 448 | } |
448 | 449 | ||
449 | module debug() { | 450 | module debug() { |
450 | difference() { | 451 | difference() { |
451 | children(); | 452 | children(); |
452 | if(debug) { | 453 | if(debug) { |
453 | // spring tensioner debug cutout | 454 | // spring tensioner debug cutout |
454 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) | 455 | translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) |
455 | translate([0,-lever_thickness/2-1,-gearbox_d]) | 456 | translate([0,-lever_thickness/2-1,-gearbox_d]) |
456 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | 457 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); |
457 | // lever axis debug cutout | 458 | // lever axis debug cutout |
458 | translate([mount_d/2,0,-1]) | 459 | translate([mount_d/2,0,-1]) |
459 | rotate([0,0,-45]) | 460 | rotate([0,0,-45]) |
460 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | 461 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); |
461 | // idler debug cutout | 462 | // idler debug cutout |
462 | translate([0,0,ls_z]) | 463 | translate([0,0,ls_z]) |
463 | place_idler() | 464 | place_idler() |
464 | rotate([0,0,-45]) | 465 | rotate([0,0,-45]) |
465 | translate([0,0,-lever_thickness/2-epsilon]) | 466 | translate([0,0,-lever_thickness/2-epsilon]) |
466 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, | 467 | cube(size=[lsd*sqrt(2)/2+1,lsd*sqrt(2)/2+1, |
467 | lever_thickness+2*epsilon]); | 468 | lever_thickness+2*epsilon]); |
468 | // pushfit debug cutout | 469 | // pushfit debug cutout |
469 | place_idler() | 470 | place_idler() |
470 | translate([-idler_d/2+filament_offset,0,ls_z]) | 471 | translate([-idler_d/2+filament_offset,0,ls_z]) |
471 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); | 472 | cube(size=[gearbox_d/2,gearbox_d/2+pf_h(pf),body_h-ls_z+knob_h+1]); |
472 | }//if debug | 473 | }//if debug |
473 | }//difference | 474 | }//difference |
474 | } | 475 | } |
475 | 476 | ||
476 | mirrorleft() | 477 | mirrorleft() |
477 | debug() | 478 | debug() |
478 | if(what=="lever") color("green",0.7) lever(); | 479 | if(what=="lever") color("green",0.7) lever(); |
479 | else if(what=="body") color("yellow",0.7) body(); | 480 | else if(what=="body") color("yellow",0.7) body(); |
480 | else if(what=="body.label") color("brown",0.7) body_label(); | 481 | else if(what=="body.label") color("brown",0.7) body_label(); |
481 | else if(what=="knob") color("red",0.7) knob(); | 482 | else if(what=="knob") color("red",0.7) knob(); |
482 | else if(what=="knob.label") color("brown",0.7) knob_label(); | 483 | else if(what=="knob.label") color("brown",0.7) knob_label(); |
483 | else if(what=="springpad") color("blue",0.7) springpad(); | 484 | else if(what=="springpad") color("blue",0.7) springpad(); |
484 | else if(what=="both") { | 485 | else if(what=="both") { |
485 | color("green",0.7) lever(); | 486 | color("green",0.7) lever(); |
486 | color("yellow",0.7) body(); | 487 | color("yellow",0.7) body(); |
487 | color("brown",0.7) body_label(); | 488 | color("brown",0.7) body_label(); |
488 | }else{ | 489 | }else{ |
489 | color("green",0.7) lever(); | 490 | color("green",0.7) lever(); |
490 | color("yellow",0.7) body(); | 491 | color("yellow",0.7) body(); |
491 | color("brown",0.7) body_label(); | 492 | color("brown",0.7) body_label(); |
492 | color("red",0.7) knob(); | 493 | color("red",0.7) knob(); |
493 | color("brown",0.7) knob_label(); | 494 | color("brown",0.7) knob_label(); |
494 | color("blue",0.7) springpad(); | 495 | color("blue",0.7) springpad(); |
495 | } | 496 | } |
496 | } | 497 | } |
497 | 498 | ||
498 | the_extruder(what="*",left=false,debug=true); | 499 | the_extruder(what="*",left=false,debug=true); |