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-rw-r--r--another.scad23
1 files changed, 9 insertions, 14 deletions
diff --git a/another.scad b/another.scad
index 4a9fc01..8fd9356 100644
--- a/another.scad
+++ b/another.scad
@@ -47,7 +47,6 @@ module the_extruder(
47 pf = pushfit_embeddest, 47 pf = pushfit_embeddest,
48 pf_shell = max(3*layer_height,3*extrusion_width), 48 pf_shell = max(3*layer_height,3*extrusion_width),
49 pf_smooth = true, 49 pf_smooth = true,
50 pf_guidelen = 3, // the length of ptfe guide before pushfit
51 50
52 // empty spaces 51 // empty spaces
53 idler_travel = 3, // how far should idler travel when pressed 52 idler_travel = 3, // how far should idler travel when pressed
@@ -65,6 +64,7 @@ module the_extruder(
65 st_screw_d_tolerance=.5, 64 st_screw_d_tolerance=.5,
66 65
67 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. 66 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis.
67 min_xy_shell = 2*extrusion_width,
68 68
69 what="lever", // lever|body|knob|springpad|* 69 what="lever", // lever|body|knob|springpad|*
70 left=false, 70 left=false,
@@ -311,26 +311,21 @@ module the_extruder(
311 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); 311 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d);
312 }//for 312 }//for
313 // pushfit 313 // pushfit
314 pf_offset = mount_d/sqrt(2)/2+mount_screw_d;
314 translate([0,0,filament_elevation]) 315 translate([0,0,filament_elevation])
315 rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) 316 rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0])
316 rotate([-90,0,0]) 317 rotate([-90,0,0])
317 translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) 318 translate([0,0,pf_offset])
318 rotate([0,0,180]) { 319 rotate([0,0,180]) {
319 pushfit(pf); 320 pushfit(pf);
320 mirror([0,0,1]) { 321 mirror([0,0,1]) {
321 translate([0,0,-epsilon])
322 teardrop(d=filament_guide_d,h=pf_guidelen+epsilon,angle=225);
323 nl = 3.5; /* TODO: */
324 translate([0,0,pf_guidelen-1])
325 teardrop(d=filament_path_d,h=nl+2,angle=-225);
326 fh = (filament_guide_d-filament_path_d)/2; 322 fh = (filament_guide_d-filament_path_d)/2;
327 union() { 323 fo = pf_offset-(idler_d+idler_clearance)/2-fh;
328 translate([0,0,pf_guidelen+nl]) 324 translate([0,0,-1]) teardrop(d=filament_guide_d,h=fo-extrusion_width+1,angle=225);
329 cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); 325 translate([0,0,-1]) teardrop(d=filament_path_d,h=gearbox_d/2+1,angle=-225);
330 translate([0,0,pf_guidelen+nl+fh-epsilon]) 326 translate([0,0,fo+epsilon])
331 teardrop(d=filament_guide_d,h=gearbox_d/2,angle=225); 327 cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d);
332 } 328 }//mirror
333 }
334 }//rotate translate rotate translate rotate translate 329 }//rotate translate rotate translate rotate translate
335 // pulley 330 // pulley
336 cylinder(d=pulley_d+pulley_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); 331 cylinder(d=pulley_d+pulley_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance));