From 42c1707628eb3c846372e67b025cd4491104bb29 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 14 Jun 2013 10:52:21 +0100
Subject: [PATCH] belt-slot-cut-jig: round off the corners of the holder

---
 belt-slot-cut-jig.scad | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/belt-slot-cut-jig.scad b/belt-slot-cut-jig.scad
index ee51907..cca4e27 100644
--- a/belt-slot-cut-jig.scad
+++ b/belt-slot-cut-jig.scad
@@ -16,6 +16,8 @@ holder_ctie_thick = 3.0 + 0.5;
 holder_attach_walls = 3;
 holder_attach_roof = 2.5;
 
+holder_corner_round = 2.0;
+
 jig_interval = 25;
 strap_width = 26.75 + 0.7;
 strap_thick = 3;
@@ -135,11 +137,13 @@ module MaybeRoundedCube(sizes, roundedness){
 }
 
 module PunchHolder(cutouts=true){
+  roundedness = cutouts ? holder_corner_round : 0;
     difference(){
       translate([-holder_xsz/2, holder_block_min_y, 0])
-	cube([holder_xsz,
-	      holder_max_y - holder_block_min_y,
-	      holder_block_zsz]);
+	MaybeRoundedCube([holder_xsz,
+			  holder_max_y - holder_block_min_y,
+			  holder_block_zsz],
+			 roundedness);
       if (cutouts)
 	rotate([0,0,-crewpunch_skew_angle])
 	translate([punch_dx,
@@ -149,10 +153,11 @@ module PunchHolder(cutouts=true){
     }
     difference(){
       translate([-holder_attach_xsz/2, holder_all_min_y, 0])
-	cube([holder_attach_xsz,
-	      attach_ysz,
-	      holder_block_zsz + punch_travel
-	      + holder_ctie_thick + holder_attach_roof + 1]);
+	MaybeRoundedCube([holder_attach_xsz,
+			  attach_ysz,
+			  holder_block_zsz + punch_travel
+			  + holder_ctie_thick + holder_attach_roof + 1],
+			 roundedness);
       if (cutouts)
 	translate([-30,
 		   holder_all_min_y + holder_attach_walls,
-- 
2.30.2