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Mold-ready prints [message #23282] Tue, 01 February 2011 07:34 UTC Go to next message
avatar jpidgeon  is currently offline jpidgeon
Messages: 0
Registered: June 2009
Go to all my models
Junior Member
So I'm wondering if any of the SW print materials are better for mold-making than others. Are some usable as a master for a silicone mold right out of the box, or would some post-print work (sanding, etc) be necessary regardless of what I used? -- Jeff
Re: Mold-ready prints [message #23324 is a reply to message #23282 ] Tue, 01 February 2011 22:26 UTC Go to previous message
avatar Klink  is currently offline Klink
Messages: 0
Registered: February 2010
Go to my shop
Junior Member
I have my master parts printed in SWF. I give the part a good coat of primer filler and maybe a light sanding if needed. If you decide to prime or not just make sure you use a good mold release as the surface is a bit porous and the rubber may stick.

I have made a number of RTV molds this way and have had no issues using Alumilite mold making and casting supplies and Price-Driscoll's Ultra 4 Polyester mold release.


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