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-rw-r--r--another.scad8
1 files changed, 4 insertions, 4 deletions
diff --git a/another.scad b/another.scad
index 85715db..2be24e4 100644
--- a/another.scad
+++ b/another.scad
@@ -49,13 +49,14 @@ module the_extruder(
mount_screw_d_tolerance=.4,
idler_v_tolerance=.5,
knob_bore_d_tolerance=.6,
what="lever",
left=false,
- vitamins = true
+ vitamins = true,
+ supports = false
) {
lever_shell = mount_screwhead_h+0.5;
lever_thickness=max(spring_d+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell);
lsd = idler_d-idler_clearance*2;
longwing=gearbox_d/2+spring_d/2+lsd/2;
h_ = (pulley_d+idler_d)/(2*sqrt(2));
@@ -142,14 +143,13 @@ module the_extruder(
}
// idler space and mounting hole
place_idler() {
difference() {
cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60);
- // supports
- for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width])
+ if(supports) for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width])
translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1])
cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]);
}
cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=30);
translate([0,0,lever_thickness/2-mount_screwhead_h])
cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=2*PI*mount_screwhead_d);
@@ -271,13 +271,13 @@ module the_extruder(
translate([0,-longwing,filament_elevation])
sphere(d=spring_d*3/4,$fn=PI*spring_d);
}
}//difference
- intersection() {
+ if(supports) intersection() {
difference() {
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));
}
// supports