From 94730f0a772dab12295fbf71ba436e9e06efd00a Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Mon, 06 Aug 2018 11:32:37 +0000
Subject: another: conditional bridging patches

---
diff --git a/another.scad b/another.scad
index 9ed285d..7e7f22d 100644
--- a/another.scad
+++ b/another.scad
@@ -57,7 +57,7 @@ module the_extruder(
  what="lever",  // lever|body|knob|springpad|*
  left=false,
  vitamins = true,
- supports = false,
+ supports = false, bridges = true,
  tensioner = true,
  debug = false
 ) {
@@ -178,7 +178,7 @@ module the_extruder(
     }//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);
@@ -239,10 +239,10 @@ module the_extruder(
    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);
--
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