pull-cord-keeper: Add RoundEdges

diff --git a/pull-cord-keeper.scad b/pull-cord-keeper.scad
index d225fb1846376e6337bc2a3920afcfa8519ff515..b23ac47c30a2f2faa6578ea9b755467154662221 100644 (file)
--- a/pull-cord-keeper.scad
+++ b/pull-cord-keeper.scad
@@ -11,6 +11,8 @@ blockwidth = hcentredist*2 + 6;
 
 height = 20;
 
 
 height = 20;
 

+roundedgedia = 7.5;
+

 ziglen = hcentredist/2;
 
 feedxgap = 5;
 ziglen = hcentredist/2;
 
 feedxgap = 5;


@@ -56,6 +58,23 @@ module Hoop(){
   }
 }
 
   }
 }
 

+module RoundEdges(){
+  intersection(){
+    VExtrude()
+      OuterOval();
+
+    for (xi=[-1,1]) {
+      for (yi=[-1,1]) {
+       translate([xi * (hcentredist/2 + hinnerrad),
+                  houterrad,
+                  yi * (height/2 - roundedgedia / 4 * sqrt(2))])
+         rotate([90,0,0])
+         cylinder(r=roundedgedia/2, h=houterrad*2, $fn=20);
+      }
+    }
+  }
+}
+

 module Positive(){
   difference(){
     VExtrude()
 module Positive(){
   difference(){
     VExtrude()


@@ -65,6 +84,8 @@ module Positive(){
       translate([0,0,-50])
       cylinder(r=screwholedia/2, h=100);
   }
       translate([0,0,-50])
       cylinder(r=screwholedia/2, h=100);
   }

+
+  RoundEdges();

 }
 
 module Ribs(){
 }
 
 module Ribs(){