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-rw-r--r--another.scad14
1 files changed, 4 insertions, 10 deletions
diff --git a/another.scad b/another.scad
index 9f42f46..b7b6e3a 100644
--- a/another.scad
+++ b/another.scad
@@ -1,19 +1,13 @@
1draft=true; 1draft=true;
2layer_height=0.2; extrusion_width=0.4; 2layer_height=0.2; extrusion_width=0.4;
3epsilon=0.01; 3epsilon=0.01;
4$fs=0.0125; 4$fs=0.0125;
5 5
6use <threads.scad>; 6use <pushfittery.scad>;
7module pushfit_thread(h=10) { 7include <pushfit_data.scad>;
8 thr = 3/8 + .5/25.4;
9 slit = 25.4*thr/2 + 0.4;
10 if(draft) cylinder(d=thr*25.4,h=h);
11 else english_thread(diameter=thr,threads_per_inch=28,length=h/25.4,internal=true);
12 translate([-2,-slit,0]) cube([4,2*slit,h]);
13}
14 8
15module the_extruder( 9module the_extruder(
16 // motor properties 10 // motor properties
17 gearbox_d = 36, 11 gearbox_d = 36,
18 mount_d = 28, // the distance between opposite mounting holes 12 mount_d = 28, // the distance between opposite mounting holes
19 mounthole_depth = 5, 13 mounthole_depth = 5,
@@ -110,13 +104,13 @@ module the_extruder(
110 }//place idler 104 }//place idler
111 // filament path 105 // filament path
112 rotate([0,0,45]) translate([(pulley_d-filament_path_d)/2,0,0]) { 106 rotate([0,0,45]) translate([(pulley_d-filament_path_d)/2,0,0]) {
113 rotate([90,0,0]) cylinder(d=filament_d,h=gearbox_d*2,center=true,$fn=15); 107 rotate([90,0,0]) cylinder(d=filament_d,h=gearbox_d*2,center=true,$fn=15);
114 rotate([-90,0,0]) 108 rotate([-90,0,0])
115 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d]) 109 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d])
116 pushfit_thread(); 110 pushfit(pushfit_threaded);
117 } 111 }
118 }//translate teeth 112 }//translate teeth
119 }//translate pulley 113 }//translate pulley
120 }//translate protrusion 114 }//translate protrusion
121 }//vitamins 115 }//vitamins
122 116
@@ -228,13 +222,13 @@ module the_extruder(
228 // pushfit threads 222 // pushfit threads
229 translate([0,0,filament_elevation]) 223 translate([0,0,filament_elevation])
230 rotate([0,0,45]) translate([pulley_d/2,0,0]) 224 rotate([0,0,45]) translate([pulley_d/2,0,0])
231 rotate([-90,0,0]) 225 rotate([-90,0,0])
232 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) 226 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon])
233 rotate([0,0,180]) { 227 rotate([0,0,180]) {
234 pushfit_thread(h=10); 228 pushfit(pushfit_threaded);
235 cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d); 229 cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d);
236 translate([0,-filament_guide_d/2/sqrt(2),0]) 230 translate([0,-filament_guide_d/2/sqrt(2),0])
237 rotate([0,0,45]) 231 rotate([0,0,45])
238 cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true); 232 cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true);
239 } 233 }
240 // pulley 234 // pulley