Uploaded October 2020 | Updated September 2026, 2 weeks ago

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Can I make a bubble-free silicone mold with no vacuum chamber?

SKIP TO THE GOOD PARTS:

00:00 Can I make a good bubble-free mold with no vacuum pump or pressure pots?
00:39 Buying rubber at the craft store.
01:35 Casting the duck we examined in an earlier video.
02:17 Testing the rubber with the other materials for cure inhibition.
09:53 Building the mold case.
11:28 Mixing the rubber - the WRONG way!
13:57 Brushing on the print coat.
14:47 Pouring the first layer of rubber in the case.
17:43 Mixing the rubber - the CORRECT way!
18:48 Pouring the second layer of rubber.
21:19 Pouring the third and final layer of rubber.
21:55 Opening the mold case.
24:04 Cutting the mold to extract the model.
28:15 Thanks for watching!