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authorMichael Krelin <hacker@klever.net>2018-08-26 19:25:56 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-26 19:25:56 (UTC)
commitd19aafaa5b0def955a82f3952a3dc9e96dbca954 (patch) (side-by-side diff)
tree71d6670906dcca8ffb552be38ddccd4e94e80286
parent1274626a6b611b2ba4d056ad402316d23d3b0b4c (diff)
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don't support configuration without tensioning screw
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad49
1 files changed, 19 insertions, 30 deletions
diff --git a/another.scad b/another.scad
index 9ff7f6a..e6d9ca3 100644
--- a/another.scad
+++ b/another.scad
@@ -74,3 +74,2 @@ module the_extruder(
bridges = true,
- tensioner = true,
debug = false
@@ -350,32 +349,22 @@ module the_extruder(
- //translate([-mount_d/2,-longwing,filament_elevation])
- if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */
- translate([mount_d/2,-longwing,filament_elevation])
- rotate([0,-90,0]) difference() {
- cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance));
- translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
- }
-
// spring tensioner
translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) {
- if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else {
- mirror([0,0,1]) {
- translate([0,0,st_thickshell])
- hull() for(o=[0,spring_d]) translate([0,-o,0])
- rotate([0,0,30])
- cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6);
- translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
- bigd = spring_d+spring_d_clearance;
- hf = (bigd-st_screw_d-st_screw_d_tolerance)/2;
- translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) {
- cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
- h=hf+epsilon, $fn=fnd*bigd);
- translate([0,-(st_thinshell+st_split_w_tolerance)/2,0])
- cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]);
- }
- translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon])
- cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
- }
- }
- }
+ mirror([0,0,1]) {
+ translate([0,0,st_thickshell])
+ hull() for(o=[0,spring_d]) translate([0,-o,0])
+ rotate([0,0,30])
+ cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6);
+ translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
+ bigd = spring_d+spring_d_clearance;
+ hf = (bigd-st_screw_d-st_screw_d_tolerance)/2;
+ translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) {
+ cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
+ h=hf+epsilon, $fn=fnd*bigd);
+ translate([0,-(st_thinshell+st_split_w_tolerance)/2,0])
+ cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]);
+ }//translate
+ translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon])
+ cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
+ }//mirror
+ }//translate
@@ -444,3 +433,3 @@ module the_extruder(
// spring tensioner debug cutout
- if(tensioner) // TODO: collapse copypasted transformations
+ // TODO: collapse copypasted transformations
translate([-gearbox_d/2,0,0])