algebraic3d # ## CSG feature copy # # define a axis parallel brick: solid br = orthobrick (0, 0, 0; 10, 10, 1); # define reference cylinder: solid cyl1 = cylinder (0.5, 0.5, -1; 0.5, 0.5, 3; 0.2); # make copies: solid cylx = multitranslate (1, 0, 0; 9; cyl1); solid cyls = multitranslate (0, 1, 0; 9; cylx); solid main = br and not cyls; tlo main; # provide bounding-box for fastening bisection alg: boundingbox (-1, -1, -1; 11, 11, 2);