+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);
+ }
+ }
+ }
+}
+