// -*- C -*- translate([3,3,0]) mirror([1,1,0]) cube([15,15,1]); multmatrix([[ 1, 0, 0, 0 ], [ 0, 1, 1.0, 0 ], [ 0, 0, 1, 0 ], [ 0, 0, 0, 1 ]]) cylinder(r=6.5/2, h=8);