import subprocess for number in range(1,31): cmd = f'openscad -o 3mf_gauges_with_thickness/{number}mm_radius_and_thickness.3mf -D size={number} -D thickness=true gauge.scad' subprocess.run(cmd, shell=True) for number in range(1,31): cmd = f'openscad -o stl_gauges_with_thickness/{number}mm_radius_and_thickness.stl -D size={number} -D thickness=true gauge.scad' subprocess.run(cmd, shell=True)