# Machining variants (3/4-axis)

A distinction is made between 4 different machining variants:

- Round tube, lateral surface
- Round tube, projection
- Polygonal tube, profiled tube
- Open polygonal tube / profiled tube (L/U profiles)

## Additional information

- Round tube, lateral surface
- Round tube, projection
- Polygonal tube, profiled tube
- Open polygonal tube / profiled tube (L/U profiles)