From b6727bd8da6e5d6b74bf2d0e3afb86b42f679b5e Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 30 Dec 2015 18:28:20 +0000
Subject: [PATCH] filamentspool: Storarm: prep for mounting holes

---
 filamentspool.scad | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/filamentspool.scad b/filamentspool.scad
index 8af9648..5b68cb2 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -517,12 +517,16 @@ module StorageArm(){ ////toplevel
     StorageArmDiagPart(storarm_mainlen, storarm_totlen,
 		       shear/2, -storarm_hookheight/2);
 
-  hull(){
-    translate([-storarm_base_d, -storarm_base_off_y, storarm_base_w])
-      rotate([0,90,0])
-      linear_extrude(height=storarm_base_mind)
-      StorageArmBaseTemplate();
-    StorageArmDiagPart(-1, 0, shear, 0);
+  difference(){
+    union(){
+      hull(){
+	translate([-storarm_base_d, -storarm_base_off_y, storarm_base_w])
+	  rotate([0,90,0])
+	  linear_extrude(height=storarm_base_mind)
+	  StorageArmBaseTemplate();
+	StorageArmDiagPart(-1, 0, shear, 0);
+      }
+    }
   }
 }
 
-- 
2.30.2