Vacuum Clamp (fits Festool MFT)
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simple print suction clamp that requires compressor or vacuum pump to run
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Here's a quick video demo:
Assembly diagram for compressor setup

Assembly diagram for vacuum pump setup

BOM (with links)
- M3 x 10mm (x8) for attaching the top
- M3 x 22mm (x2) to attach the valve
- Male Thread Quick Release Connectors Coupler 1/4" BSP (depends on your setup)
- 6mm Tube to 1/4 BSPT Push Lock
- 1/4 Turn 6mm Pipe Fitting Coupler Valve (I designed the holes for this specific
- Air Compressor Hose Pipe (6mm OD)
- PC6-01 Pneumatic Connector
- Solid Foam Rubber Round at 8mm
- Vacuum generator (if you are using a compressor)
You can probably get a vacuum generator from aliexpress, but I already had a vac pump for this. In fact I was only missing 1 connector to build this.

foam rubber sample pic

This is the vacuum generator I used. It is the Festo VN with silencer and it is really solid !
https://www.thorite.co.uk/products/festo-vn-07-h-t2-pq1-vq1-rq1-vacuum-generator-526101-526101
This means you don't need a vacuum pump, but just any compressor. Easy.
Any questions just ask in comments !