-rw-r--r-- | fanduct.scad | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fanduct.scad b/fanduct.scad index a60609e..235c079 100644 --- a/fanduct.scad +++ b/fanduct.scad | |||
@@ -92,98 +92,96 @@ module fanduct(type=type) { | |||
92 | rotate_extrude($fn=smooth_f) | 92 | rotate_extrude($fn=smooth_f) |
93 | polygon([ | 93 | polygon([ |
94 | [0,-fanduct_elevation], | 94 | [0,-fanduct_elevation], |
95 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], | 95 | [fanduct_ir+fanduct_shell+1,fanduct_h/2], |
96 | [fanduct_ir+fanduct_shell+1,fanduct_shell], | 96 | [fanduct_ir+fanduct_shell+1,fanduct_shell], |
97 | [0,-fanduct_elevation-.1]]); | 97 | [0,-fanduct_elevation-.1]]); |
98 | circus("airguides"); | 98 | circus("airguides"); |
99 | } | 99 | } |
100 | }else if(what=="airguides") { | 100 | }else if(what=="airguides") { |
101 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; | 101 | inr = fanduct_ir+fanduct_shell; our = inr+fanduct_w; |
102 | union() { | 102 | union() { |
103 | for(my=[0,1]) mirror([0,my,0]) { | 103 | for(my=[0,1]) mirror([0,my,0]) { |
104 | guideline([ | 104 | guideline([ |
105 | [-our,inlet_w/6], | 105 | [-our,inlet_w/6], |
106 | [-inr*sin(60),inr*cos(60)] | 106 | [-inr*sin(60),inr*cos(60)] |
107 | ]); | 107 | ]); |
108 | a0=30; as=15; a1=180; | 108 | a0=30; as=15; a1=180; |
109 | for(a=[a0+as:as:a1]) { | 109 | for(a=[a0+as:as:a1]) { |
110 | f = as/(a1-a+as); | 110 | f = as/(a1-a+as); |
111 | rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]); | 111 | rotate([0,0,a]) guideline([[-inr-fanduct_w*f,0]]); |
112 | } | 112 | } |
113 | guideline([ | 113 | guideline([ |
114 | [-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4], | 114 | [-our+fanduct_w*cos(30)*3/4,fanduct_w*sin(30)*3/4], |
115 | [-inr*cos(10),inr*sin(10)] | 115 | [-inr*cos(10),inr*sin(10)] |
116 | ]); | 116 | ]); |
117 | } | 117 | } |
118 | }/*union*/ | 118 | }/*union*/ |
119 | }/*airguides*/ | 119 | }/*airguides*/ |
120 | } | 120 | } |
121 | 121 | ||
122 | module jets(what) { | 122 | module jets(what) { |
123 | od = fanduct_h/2+fanduct_shell; | 123 | od = fanduct_h/2+fanduct_shell; |
124 | difference() { | 124 | difference() { |
125 | for(a=[0:120:359]) rotate([0,0,a]) { | 125 | for(a=[0:120:359]) rotate([0,0,a]) { |
126 | if(what=="in") { | 126 | if(what=="in") { |
127 | hull() { | 127 | hull() { |
128 | translate([fanduct_ir+od/2,0,od/2]) | 128 | translate([fanduct_ir+od/2,0,od/2]) |
129 | rotate([90,0,0]) | 129 | rotate([90,0,0]) |
130 | cylinder(d=od,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3,center=true,$fn=36); | 130 | cylinder(d=od,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3,center=true,$fn=36); |
131 | translate([0,0,-fanduct_elevation]) sphere(r=.5); | 131 | translate([0,0,-fanduct_elevation]) sphere(r=.5); |
132 | } | 132 | } |
133 | }else if(what=="out") { | 133 | }else if(what=="out") { |
134 | hull() { | 134 | hull() { |
135 | translate([fanduct_ir+od/2,0,od/2]) | 135 | translate([fanduct_ir+od/2,0,od/2]) |
136 | rotate([90,0,0]) | 136 | rotate([90,0,0]) |
137 | cylinder(d=od-2*fanduct_shell,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3-2*fanduct_shell,center=true); | 137 | cylinder(d=od-2*fanduct_shell,h=2*(fanduct_ir+fanduct_shell+fanduct_w/2)*sin(jet_angle/2)-3-2*fanduct_shell,center=true); |
138 | translate([0,0,-fanduct_elevation]) sphere(r=.2); | 138 | translate([0,0,-fanduct_elevation]) sphere(r=.2); |
139 | } | 139 | } |
140 | |||
141 | type="3jets"; | ||
142 | } | 140 | } |
143 | } | 141 | } |
144 | if(what=="in") { | 142 | if(what=="in") { |
145 | translate([0,0,-fanduct_elevation-2+epsilon]) | 143 | translate([0,0,-fanduct_elevation-2+epsilon]) |
146 | cylinder(r=fanduct_ir+fanduct_shell*2+fanduct_w+1,h=fanduct_elevation+2); | 144 | cylinder(r=fanduct_ir+fanduct_shell*2+fanduct_w+1,h=fanduct_elevation+2); |
147 | translate([0,0,-hotend_clearance]) | 145 | translate([0,0,-hotend_clearance]) |
148 | rotate([0,0,30]) | 146 | rotate([0,0,30]) |
149 | cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=6); | 147 | cylinder(r1=hotend_clearance*2,r2=0,h=hotend_clearance*2,$fn=6); |
150 | } | 148 | } |
151 | } | 149 | } |
152 | } | 150 | } |
153 | 151 | ||
154 | if(type=="circular") circus(what); | 152 | if(type=="circular") circus(what); |
155 | else if(type=="3jets") jets(what); | 153 | else if(type=="3jets") jets(what); |
156 | } | 154 | } |
157 | 155 | ||
158 | // ***air intake | 156 | // ***air intake |
159 | module intake(what) { | 157 | module intake(what) { |
160 | module placeit() { | 158 | module placeit() { |
161 | translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) | 159 | translate([-fanduct_ir-2*fanduct_shell-fanduct_w-inlet_away,0,fanduct_shell]) |
162 | rotate([0,-90,0]) | 160 | rotate([0,-90,0]) |
163 | children(); | 161 | children(); |
164 | } | 162 | } |
165 | if(what=="in") { | 163 | if(what=="in") { |
166 | placeit() translate([0,-inlet_w/2,0]) { | 164 | placeit() translate([0,-inlet_w/2,0]) { |
167 | cube(size=[inlet_h,inlet_w,inlet_l+fanduct_shell]); | 165 | cube(size=[inlet_h,inlet_w,inlet_l+fanduct_shell]); |
168 | // supports | 166 | // supports |
169 | for(i=[-1,0,1]) | 167 | for(i=[-1,0,1]) |
170 | translate([-fanduct_shell, | 168 | translate([-fanduct_shell, |
171 | (i+1)*(inlet_w-extrusion_width)/2, | 169 | (i+1)*(inlet_w-extrusion_width)/2, |
172 | -inlet_away-fanduct_w/2]) | 170 | -inlet_away-fanduct_w/2]) |
173 | cube(size=[fanduct_shell, | 171 | cube(size=[fanduct_shell, |
174 | extrusion_width, | 172 | extrusion_width, |
175 | inlet_l+fanduct_shell+inlet_away+fanduct_w/2]); | 173 | inlet_l+fanduct_shell+inlet_away+fanduct_w/2]); |
176 | } | 174 | } |
177 | hull() { | 175 | hull() { |
178 | placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0]) | 176 | placeit() translate([-fanduct_shell,-inlet_w/2-fanduct_shell,0]) |
179 | cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]); | 177 | cube(size=[inlet_h+2*fanduct_shell,inlet_w+2*fanduct_shell,fanduct_shell]); |
180 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0]) | 178 | translate([-fanduct_ir-fanduct_shell-fanduct_w/2,0,0]) |
181 | translate([0,-inlet_w/2-fanduct_shell/2,0]) | 179 | translate([0,-inlet_w/2-fanduct_shell/2,0]) |
182 | cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]); | 180 | cube(size=[1,inlet_w+fanduct_shell,fanduct_shell*2+fanduct_h]); |
183 | } | 181 | } |
184 | }else if(what=="out") { | 182 | }else if(what=="out") { |
185 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) | 183 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) |
186 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_l+fanduct_shell+1]); | 184 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,inlet_l+fanduct_shell+1]); |
187 | hull() { | 185 | hull() { |
188 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) | 186 | placeit() translate([fanduct_shell,-inlet_w/2+fanduct_shell,0]) |
189 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]); | 187 | cube(size=[inlet_h-2*fanduct_shell,inlet_w-2*fanduct_shell,fanduct_shell]); |