| -rw-r--r-- | another.scad | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/another.scad b/another.scad index 38a9aae..7d2dfb3 100644 --- a/another.scad +++ b/another.scad @@ -296,96 +296,98 @@ module the_extruder( translate([0,0,ls_z-ls_h/2]) cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); translate([0,0,ls_z-ls_h/2]) { translate([mount_screwhead_d/2,0,0]) mirror([0,1,0]) cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); } //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); } }//difference if(supports) intersection() { difference() { translate([0,0,ls_z-ls_h/2-epsilon]) cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); } // supports // TODO: hardcoded stuff below… if(false) { // parallel for(y=[-gearbox_d:4:gearbox_d]) translate([0,y-extrusion_width/2,0]) cube(size=[gearbox_d,extrusion_width,body_h]); }else{ // radial for(zr=[-65:(65+50)/7:50]) rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) cube(size=[gearbox_d,extrusion_width,body_h]); } } }//body module module springpad() { smalld=st_screw_d+2*extrusion_width; bigd = spring_d+spring_d_clearance/2; hf = (bigd-smalld)/2; translate([-gearbox_d/2+st_shell+st_nut_h+st_shell+smalld,-longwing,filament_elevation]) rotate([0,90,0]) difference() { union() { cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); translate([0,0,hf-epsilon]) cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); + translate([0,0,3*hf]) + sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } translate([0,0,-epsilon]) cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d); } } module knob() { ch = knob_indent_d/2; translate([0,0,body_h+epsilon]) { mirror([0,0,1]) translate([0,0,-epsilon]) { difference() { cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); translate([0,0,-1]) difference() { cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) cube([bore_d+2,bore_d/2,knob_bore_l+4]); } } } difference() { union() { cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); translate([0,0,ch]) cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); translate([0,0,knob_h-ch]) cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); } for(a=[0:360/knob_indents:359]) rotate([0,0,a]) translate([0,gearbox_d/2,-1]) cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); } } }//knob module mirrorleft() if(what=="lever") color("green",0.7) lever(); else if(what=="body") color("yellow",0.7) body(); else if(what=="knob") color("red",0.7) knob(); else if(what=="springpad") color("blue",0.7) springpad(); else if(what=="both") { color("green",0.7) lever(); color("yellow",0.7) body(); }else{ color("green",0.7) lever(); color("yellow",0.7) body(); color("red",0.7) knob(); color("blue",0.7) springpad(); } |