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Old 02-23-2018, 02:42 PM   #73 (permalink)
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The cloth sheet of fiberglass are not expensive, but the resin can be.

Maybe a polished finish, when working direct on positive mold, can be also performed like they do for surfboards, using handing machines to sandpaper.

Quote:
Originally Posted by redpoint5 View Post
I spent about $80 in materials to make 2 attempts at a kitchen sink mold. Everything is less expensive than 2 failed attempts to work with the wretched stuff.
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