-rw-r--r-- | another.scad | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/another.scad b/another.scad index 302e314..872ff33 100644 --- a/another.scad +++ b/another.scad @@ -63,2 +63,4 @@ module the_extruder( ) { + fnd = 2*PI; fnr = 2*fnd; + lever_shell = mount_screwhead_h+0.5; @@ -88,6 +90,6 @@ module the_extruder( rr = depth+hh; - translate([0,0,hh]) sphere(r=rr,$fn=2*PI*rr); + translate([0,0,hh]) sphere(r=rr,$fn=fnr*rr); }else if(r) { hh=sqrt(pow(r,2)-pow(d,2)/4); - translate([0,0,hh]) sphere(r=r,$fn=2*PI*r); + translate([0,0,hh]) sphere(r=r,$fn=fnr*r); } @@ -160,3 +162,3 @@ module the_extruder( translate([0,0,lever_thickness/2-mount_screwhead_h]) - cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=2*PI*mount_screwhead_d); + cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=fnd*mount_screwhead_d); } @@ -164,3 +166,3 @@ module the_extruder( translate([mount_d/2,0,0]) - cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=2*PI*mount_screw_d); + cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d); @@ -172,4 +174,4 @@ module the_extruder( difference() { - cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=2*PI*spring_d); - sphere(d=spring_d*3/4,$fn=PI*spring_d); + cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=fnd*(spring_d+spring_d_clearance)); + sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } @@ -188,3 +190,3 @@ module the_extruder( union() { - cylinder(d=gearbox_d,h=body_h,$fn=2*PI*gearbox_d); + cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); // finger and spring support @@ -196,3 +198,3 @@ module the_extruder( rotate([0,90,0]) - cylinder(d=max(lever_thickness,spring_d+spring_d_clearance+2*extrusion_width),h=fsw,$fn=2*PI*lever_thickness); + cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); hh=body_h-ls_z; @@ -213,3 +215,3 @@ module the_extruder( cylinder(d=st_nut_d,h=st_nut_h,$fn=6); - translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=st_screw_d*PI*2); + translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); bigd = spring_d+spring_d_clearance; @@ -218,5 +220,5 @@ module the_extruder( cylinder(d1=st_screw_d,d2=bigd, - h=hf+epsilon, $fn=bigd*PI*2 ); + h=hf+epsilon, $fn=fnd*bigd); translate([0,0,st_shell+st_nut_h+st_shell+hf-epsilon]) - cylinder(d=bigd,h=fsw+1,$fn=bigd*PI*2); + cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); } @@ -235,3 +237,3 @@ module the_extruder( translate([0,0,-1]) - cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=2*PI*protrusion_d); + cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h)); // mount screw holes @@ -242,5 +244,5 @@ module the_extruder( h=mount_screw_l-mounthole_depth/2-layer_height+1, - $fn=2*PI*mount_screw_d); + $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); translate([0,0,mount_screw_l-mounthole_depth/2]) - cylinder(d=mount_screwhead_d,h=body_h+1,$fn=2*PI*mount_screwhead_d); + cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); }//for @@ -253,3 +255,3 @@ module the_extruder( pushfit(pf); - cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d); + cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=fnd*filament_guide_d); translate([0,-filament_guide_d/2/sqrt(2),0]) @@ -259,3 +261,3 @@ module the_extruder( // pulley - cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance)); + cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); // leverspace @@ -264,3 +266,3 @@ module the_extruder( translate([x,0,ls_z-ls_h/2]) - cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=2*PI*idler_d); + cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); @@ -287,5 +289,4 @@ module the_extruder( rotate([0,-90,0]) difference() { - cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=PI*spring_d); - translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=PI*spring_d); - } + cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); + translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } @@ -297,4 +298,4 @@ module the_extruder( translate([0,0,ls_z-ls_h/2-epsilon]) - cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=2*PI*gearbox_d); - cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance)); + cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); + cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); } @@ -322,8 +323,8 @@ module the_extruder( union() { - cylinder(d1=smalld,d2=bigd,h=hf,$fn=bigd*PI*2); + cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); translate([0,0,hf-epsilon]) - cylinder(d=bigd,h=hf*2,$fn=bigd*PI*2); + cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); } translate([0,0,-epsilon]) - cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=st_screw_d*PI*2); + cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d); } @@ -336,3 +337,3 @@ module the_extruder( difference() { - cylinder(d=pulley_d,h=knob_bore_l,$fn=pulley_d*PI*2); + cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); translate([0,0,-1]) difference() { @@ -346,7 +347,7 @@ module the_extruder( union() { - cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=PI*gearbox_d*2); + 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=PI*gearbox_d*2); + 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=PI*gearbox_d*2); + cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); } @@ -354,3 +355,3 @@ module the_extruder( translate([0,gearbox_d/2,-1]) - cylinder(d=knob_indent_d,h=knob_h+2,$fn=knob_indent_d*PI*2); + cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); } |