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
@@ -51,9 +51,10 @@ module the_extruder(
  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;
@@ -144,10 +145,9 @@ 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);
@@ -273,9 +273,9 @@ module the_extruder(
    }
     
   }//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));