polyhole half

polyhole_half.scad

/* this module makes use of the polyhole library function by nophead (MCAD library)
 * MCAD Library - Polyholes Copyright 2011 Nophead (of RepRap fame)
 * It is licensed under the terms of Creative Commons Attribution 3.0 Unported.
 * https://github.com/SolidCode/MCAD/blob/master/polyholes.scad
 */
module polyhole_half(
        h=10,
        d=10
        )
{
    difference()
    {
        polyhole(h=h, d=d);
        translate([-d, -2*d, -de]) cube([2*d, 2*d, h+2*de]);
    }
}