testdata/scad/misc/empty-shape-tests.scad


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linear_extrude(h=1) {
    square(0);
    circle(0);
    polygon();
    import();
}

cube(0);
sphere(0);
cylinder(0);
polyhedron();
import();
surface();
rotate_extrude();
linear_extrude();
translate();
color();
hull();
minkowski();
union();
difference();
intersection();
render();
projection();
assign();
if(1) { }
intersection_for();
for();