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-rw-r--r--another.scad3
1 files changed, 2 insertions, 1 deletions
diff --git a/another.scad b/another.scad
index e4d79f9..915b184 100644
--- a/another.scad
+++ b/another.scad
@@ -26,15 +26,15 @@ module the_extruder(
26 // filament path properties 26 // filament path properties
27 filament_d = 1.75, 27 filament_d = 1.75,
28 filament_path_d = 2, 28 filament_path_d = 2,
29 filament_guide_d = 4, // PTFE filament guide diameter 29 filament_guide_d = 4, // PTFE filament guide diameter
30 // knob properties 30 // knob properties
31 knob_h = 10, 31 knob_h = 10,
32 knob_bore_l = 4,
33 knob_indent_d = 4, 32 knob_indent_d = 4,
34 knob_indents = 12, 33 knob_indents = 12,
34 knob_v_clearance = 1,
35 // spring tensioner 35 // spring tensioner
36 st_nut_d = 9, st_nut_h = 4, 36 st_nut_d = 9, st_nut_h = 4,
37 st_screw_d = 5, 37 st_screw_d = 5,
38 st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, 38 st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width,
39 st_split_w = 4*extrusion_width, 39 st_split_w = 4*extrusion_width,
40 40
@@ -405,12 +405,13 @@ module the_extruder(
405 cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); 405 cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
406 } 406 }
407 } 407 }
408 408
409 module knob() { 409 module knob() {
410 ch = knob_indent_d/2; 410 ch = knob_indent_d/2;
411 knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance;
411 translate([0,0,body_h+epsilon]) { 412 translate([0,0,body_h+epsilon]) {
412 mirror([0,0,1]) translate([0,0,-epsilon]) { 413 mirror([0,0,1]) translate([0,0,-epsilon]) {
413 difference() { 414 difference() {
414 cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); 415 cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d);
415 translate([0,0,-1]) difference() { 416 translate([0,0,-1]) difference() {
416 cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); 417 cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2);