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Over the next year I anticipate I will be doing a lot of resin casting, and something that I've just spotted is that putting the mould full of resin on a vibration table whilst it's curing helps to bring up the bubbles. I could also put the silicone rubber mould on there for a couple of hours whilst it's curing.

Has anyone bought one of these? I've seen a good article on making one, but it would be handy if I could just buy it fairly cheap.

I used one when I was into Hirst Molds a few years back. Honestly for resin it won't likely make too much difference depending on the mold. A good tapping on the mold with something heavy like a butter knife should work.

If they are 1 piece molds for bases and such it'd work fine, but usually you can just poke bubbles out of such molds.

For plaster casting like Hirst bricks it works wonders as you can't see those bubblle in the plaster .

They can help, moreso with the slower curing resins as it gives the bubbles more time to get shook loose.

@aerethan resin behaves much differently than plaster of paris does, its sort of like comparing oatmeal to apple sauce

I made one using an old palm sander I had lying around, and it does make a difference. Combined with dusting the inside of the mod with some talc most of the pesky bubbles got chased out. Its still not as effective as a pressure pot- but its also alot easier to use and requires alot lss equipment.

I've used both resin and plaster. I would never use plaster of paris as it's like using elmers glue on metal models. I used dental plaster that had a strength of about 15000 psi.