From 464138e783f3d265a0f10610ea6edca527a17735 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 14 Jun 2013 10:51:44 +0100
Subject: [PATCH] belt-slot-cut-jig: MaybeRoundedCube utility, nfc

---
 belt-slot-cut-jig.scad | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index 09bec4a..ee51907 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -119,6 +119,21 @@ module CrewPunch(){
   }
 }
 
+module MaybeRoundedCube(sizes, roundedness){
+  if (roundedness > 0) {
+    translate([roundedness, roundedness, 0]){
+      minkowski(){
+	cube([sizes[0] - roundedness*2,
+	      sizes[1] - roundedness*2,
+	      sizes[2]]);
+	cylinder(h=0.05, r=roundedness, $fn=20);
+      }
+    }
+  } else {
+    cube(sizes);
+  }
+}
+
 module PunchHolder(cutouts=true){
     difference(){
       translate([-holder_xsz/2, holder_block_min_y, 0])
-- 
2.30.2