Stepcraft HF500 Vacuum 32mm adapter

I had a look at [this part](https://www.thingiverse.com/thing:2918227) but I wanted something that would print easier (less support) and accept easy to change adapters that could be designed as needed.

This one has a completely flat bottom and very little need for support.
Magnets used are from [here](https://www.banggood.com/nl/20pcs-N50-10mm-x-3mm-Strong-Round-Magnets-Rare-Earth-Neodymium-Magnets-p-984372.html?rmmds=search&cur_warehouse=CN) 10mm diameter and 3mm thick.
You will need 3 f