I designed the FoxAlien Mini Vise for my CNC router so I could use it as a fixture when generating toolpaths.

I put in the joints too so it can move.

I hope it helps you too.

Let me know if something doesn't work and I can try to fix it.

https://www.foxalien.com/en-au/products/low-profile-vise-for-cnc-router-machine-3018-se-3018-pro