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-rw-r--r--another.scad2
1 files changed, 1 insertions, 1 deletions
diff --git a/another.scad b/another.scad
index 4c7b1b7..f77fa7a 100644
--- a/another.scad
+++ b/another.scad
@@ -143,97 +143,97 @@ module the_extruder(
143 143
144 // idler space and mounting hole 144 // idler space and mounting hole
145 place_idler() { 145 place_idler() {
146 difference() { 146 difference() {
147 cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60); 147 cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60);
148 // supports 148 // supports
149 for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width]) 149 for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width])
150 translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1]) 150 translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1])
151 cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]); 151 cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]);
152 } 152 }
153 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=30); 153 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=30);
154 translate([0,0,lever_thickness/2-mount_screwhead_h]) 154 translate([0,0,lever_thickness/2-mount_screwhead_h])
155 cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=2*PI*mount_screwhead_d); 155 cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=2*PI*mount_screwhead_d);
156 } 156 }
157 // mounting screw hole 157 // mounting screw hole
158 translate([mount_d/2,0,0]) 158 translate([mount_d/2,0,0])
159 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=2*PI*mount_screw_d); 159 cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=2*PI*mount_screw_d);
160 160
161 // lever end 161 // lever end
162 translate([mount_d/2,0,0]) rotate([0,90,0]) { 162 translate([mount_d/2,0,0]) rotate([0,90,0]) {
163 translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15); 163 translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15);
164 translate([0,-longwing,0]) 164 translate([0,-longwing,0])
165 mirror([0,0,1]) 165 mirror([0,0,1])
166 difference() { 166 difference() {
167 cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=2*PI*spring_d); 167 cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=2*PI*spring_d);
168 sphere(d=spring_d*3/4,$fn=PI*spring_d); 168 sphere(d=spring_d*3/4,$fn=PI*spring_d);
169 } 169 }
170 }//rotate-translate 170 }//rotate-translate
171 }//difference 171 }//difference
172 // bridging patch 172 // bridging patch
173 place_idler() 173 place_idler()
174 translate([0,0,lever_thickness/2-mount_screwhead_h]) 174 translate([0,0,lever_thickness/2-mount_screwhead_h])
175 mirror([0,0,1]) 175 mirror([0,0,1])
176 cylinder(d=mount_screwhead_d,h=layer_height); 176 cylinder(d=mount_screwhead_d,h=layer_height);
177 }//translate 177 }//translate
178 }//lever module 178 }//lever module
179 179
180 module body() { 180 module body() {
181 difference() { 181 difference() {
182 union() { 182 union() {
183 cylinder(d=gearbox_d,h=body_h,$fn=2*PI*gearbox_d); 183 cylinder(d=gearbox_d,h=body_h,$fn=2*PI*gearbox_d);
184 // finger and spring support 184 // finger and spring support
185 fsw = gearbox_d/2+mount_screwhead_d/2; 185 fsw = gearbox_d/2+mount_screwhead_d/2;
186 translate([-gearbox_d/2,0,0]) difference() { 186 translate([-gearbox_d/2,0,0]) difference() {
187 union() { 187 union() {
188 hull() { 188 hull() {
189 translate([0,-longwing,ls_z]) 189 translate([0,-longwing,ls_z])
190 rotate([0,90,0]) 190 rotate([0,90,0])
191 cylinder(d=lever_thickness,h=fsw,$fn=2*PI*lever_thickness); 191 cylinder(d=max(lever_thickness,spring_d+spring_d_clearance+2*extrusion_width),h=fsw,$fn=2*PI*lever_thickness);
192 hh=body_h-ls_z; 192 hh=body_h-ls_z;
193 translate([0,0,ls_z-lever_thickness/2]) 193 translate([0,0,ls_z-lever_thickness/2])
194 mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]); 194 mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]);
195 hhh=ls_z; 195 hhh=ls_z;
196 translate([0,0,0]) 196 translate([0,0,0])
197 mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); 197 mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]);
198 } 198 }
199 } 199 }
200 translate([0,-longwing,ls_z]) rotate([0,-90,0]) 200 translate([0,-longwing,ls_z]) rotate([0,-90,0])
201 finger_indent(d=lever_thickness-1,r=15); 201 finger_indent(d=lever_thickness-1,r=15);
202 } // translate 202 } // translate
203 203
204 // pushfit bracket 204 // pushfit bracket
205 translate([0,0,filament_elevation]) 205 translate([0,0,filament_elevation])
206 rotate([0,0,45]) translate([pulley_d/2,0,0]) 206 rotate([0,0,45]) translate([pulley_d/2,0,0])
207 rotate([-90,0,0]) 207 rotate([-90,0,0])
208 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) 208 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/])
209 cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6); 209 cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6);
210 }//union (first child of difference) 210 }//union (first child of difference)
211 // protrusion 211 // protrusion
212 translate([0,0,-1]) 212 translate([0,0,-1])
213 cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=2*PI*protrusion_d); 213 cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=2*PI*protrusion_d);
214 // mount screw holes 214 // mount screw holes
215 for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { 215 for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) {
216 translate([0,0,mount_screw_l-mounthole_depth/2-layer_height-1]) 216 translate([0,0,mount_screw_l-mounthole_depth/2-layer_height-1])
217 mirror([0,0,1]) 217 mirror([0,0,1])
218 cylinder(d=mount_screw_d+mount_screw_d_tolerance, 218 cylinder(d=mount_screw_d+mount_screw_d_tolerance,
219 h=mount_screw_l-mounthole_depth/2-layer_height+1, 219 h=mount_screw_l-mounthole_depth/2-layer_height+1,
220 $fn=2*PI*mount_screw_d); 220 $fn=2*PI*mount_screw_d);
221 translate([0,0,mount_screw_l-mounthole_depth/2]) 221 translate([0,0,mount_screw_l-mounthole_depth/2])
222 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=2*PI*mount_screwhead_d); 222 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=2*PI*mount_screwhead_d);
223 }//for 223 }//for
224 // pushfit threads 224 // pushfit threads
225 translate([0,0,filament_elevation]) 225 translate([0,0,filament_elevation])
226 rotate([0,0,45]) translate([pulley_d/2,0,0]) 226 rotate([0,0,45]) translate([pulley_d/2,0,0])
227 rotate([-90,0,0]) 227 rotate([-90,0,0])
228 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) 228 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon])
229 rotate([0,0,180]) { 229 rotate([0,0,180]) {
230 pushfit(pf); 230 pushfit(pf);
231 cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d); 231 cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d);
232 translate([0,-filament_guide_d/2/sqrt(2),0]) 232 translate([0,-filament_guide_d/2/sqrt(2),0])
233 rotate([0,0,45]) 233 rotate([0,0,45])
234 cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true); 234 cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true);
235 } 235 }
236 // pulley 236 // pulley
237 cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance)); 237 cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance));
238 // leverspace 238 // leverspace
239 hull() for(x=[0,gearbox_d]) 239 hull() for(x=[0,gearbox_d])