+ for (rot=[0,180]) {
+ rotate([0,0, rot])
+ translate([0, -prisml/2, triedge * 0.3])
+ rotate([90, 0, 0])
+ NumberCut(2);
+ }
+ for (rot=[0,120,240]) {
+ translate([0,0, tricentre])
+ rotate([0, rot, 0])
+ translate([0,0, -tricentre])
+ rotate([0,180,0])
+ rotate([0,0, rot==240 ? 90 : -90])
+ NumberCut(1);