another: conditional bridging patches

1 files changed, 4 insertions, 4 deletions

diff --git a/another.scad b/another.scad
index 9ed285d..7e7f22d 100644
--- a/another.scad
+++ b/another.scad
@@ -54,13 +54,13 @@ module the_extruder(
  idler_v_tolerance=.5,
  knob_bore_d_tolerance=.6,
 
  what="lever",  // lever|body|knob|springpad|*
  left=false,
  vitamins = true,
- supports = false,
+ supports = false, bridges = true,
  tensioner = true,
  debug = false
 ) {
  fnd = 2*PI; fnr = 2*fnd;
 
  lever_shell = mount_screwhead_h+0.5;
@@ -175,13 +175,13 @@ module the_extruder(
       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);
      }
     }//rotate-translate
    }//difference
    // bridging patch
-   place_idler()
+   if(bridges) place_idler()
    translate([0,0,lever_thickness/2-mount_screwhead_h])
    mirror([0,0,1])
    cylinder(d=mount_screwhead_d,h=layer_height);
   }//translate
  }//lever module
  
@@ -236,16 +236,16 @@ module the_extruder(
 
    // protrusion
    translate([0,0,-1])
    cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h));
    // mount screw holes
    for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) {
-    translate([0,0,mount_screw_l-mounthole_depth/2-layer_height-1])
+    translate([0,0,mount_screw_l-mounthole_depth/2-(bridges?layer_height:-epsilon)])
     mirror([0,0,1])
     cylinder(d=mount_screw_d+mount_screw_d_tolerance,
-             h=mount_screw_l-mounthole_depth/2-layer_height+1,
+             h=mount_screw_l-mounthole_depth/2+1,
              $fn=fnd*(mount_screw_d+mount_screw_d_tolerance));
     translate([0,0,mount_screw_l-mounthole_depth/2])
     cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d);
    }//for
    // pushfit
    translate([0,0,filament_elevation])