summaryrefslogtreecommitdiff
authorMichael Krelin <hacker@klever.net>2018-08-02 19:29:40 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-02 19:29:40 (UTC)
commit7fe5273a70a70beeba8ff622a7af1e2cfdf1a28f (patch) (unidiff)
tree290a2328fd74cadd18e09c90e7afbc6a32556364
parent8dd86c90ff31dca9cf4ce5260e199bf1d38a359a (diff)
downloadextrudery-7fe5273a70a70beeba8ff622a7af1e2cfdf1a28f.zip
extrudery-7fe5273a70a70beeba8ff622a7af1e2cfdf1a28f.tar.gz
extrudery-7fe5273a70a70beeba8ff622a7af1e2cfdf1a28f.tar.bz2
cutout on the back side
in the unfortunate event of filament grinding it may serve as an escape way for filament powder
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad13
1 files changed, 13 insertions, 0 deletions
diff --git a/another.scad b/another.scad
index 4af7d29..38a9aae 100644
--- a/another.scad
+++ b/another.scad
@@ -278,4 +278,17 @@ module the_extruder(
278 translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); 278 translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]);
279 } 279 }
280
281 // back side cutout
282 a0 = asin((mount_screwhead_d+2*extrusion_width)/mount_d);
283 a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2));
284 translate([0,0,ls_z]) hull() {
285 rotate([0,0,-180+a0])
286 rotate_extrude(angle=a1-a0)
287 translate([0,-ls_h/2])
288 square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1,
289 ls_h]);
290 cylinder(d=bore_d/2/*TODO:recalculate angles based on this,
291 too lazy to do that now*/,
292 h=ls_h,center=true);
280 } 293 }
281 294