FFF Metal is metal 3D printing you do on your regular FFF/FDM 3D printer, then debind and sinter in a common kiln - no gas or vacuum needed. It's metal 3D printing you can do in your own lab or studio.

The FFF Metal process has three steps: Print * Debind * Sinter
The debind and sinter steps happen in common kiln equipment. No gas or vacuum required - it all happens in open atmosphere.
Your kiln should still be vented though.
This video talks about about why and how.

Be sure to consults your kiln manufacturer's instructions and your own safety experts for complete information.

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Sintering Instructions: https://thevirtualfoundry.com/debind-...
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