ksafe-base: string slots

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/ksafe-base.scad b/ksafe-base.scad
index c9ddf77cd0a9e2d79084e800653cc2501e6a932a..4441b2a5713508b2123d40eef0d139405c93061d 100644 (file)
--- a/ksafe-base.scad
+++ b/ksafe-base.scad
@@ -21,6 +21,8 @@ space = 25;
 anchor_thick = 4;
 anchor_rad = 4;
 bevel = 8;
+string_slot = 3.0;
+string_depth = 6.0;
 
 // ----- calculated -----
 
@@ -228,6 +230,15 @@ module KsafeBase(){
     // bolt holes
     translate([0,0, -bolt_above -0.5 * bolthole_height])
       cube(center=true, [ cut, bolthole_width, bolthole_height ]);
+
+    // string slot
+    translate([ -cut,
+               -(bolthole_width/2 + bolthole_rhs),
+               1 ])
+      mirror([0,1,0]) mirror([0,0,1])
+      cube([ cut*2,
+            string_slot,
+            lidinner_thick_allow + string_depth + 1 ]);
   }
 }