val bulge_thickness : floatval ellipse_offset : floatval ellipse_inset_x_rad : floatval ellipse_inset_y_scale : floatval corner_cut_rad : floatval corner_cut_off : floatval ellipse : OSCADml.Scad.d2val bulge : OSCADml.Scad.d2val cutter : OSCADml.Scad.d2val shadow : OSCADml.Scad.d2val scad : OSCADml.Scad.d3