echo(version=version()); intersection() { linear_extrude(height = 100, center = true, convexity= 3) import(file = "advance_intersection.dxf"); rotate([0, 90, 0]) linear_extrude(height = 100, center = true, convexity= 3) import(file = "advance_intersection.dxf"); rotate([90, 0, 0]) linear_extrude(height = 100, center = true, convexity= 3) import(file = "advance_intersection.dxf"); }