These are merely the pieces of wood that are cut out when using a circular drill bit, however, when melting plastic it is a good idea to have something pushing down into the mould, so reusing these is a brilliant idea.
And here is the mould itself. I used this one a couple of times, if the plastic is done perfectly, melted well and formed into a full cylinder but not overcooked and burnt enough to ruin the plastic, it should pop out easily with a few taps of a hammer. perfect.
This mock-up tried to make physical one of my ideas I had sketched up, using one motor to spin several dowels. The frame worked well, using a few pieces of duct tape held it all together, but rubber bands didnt want to work for me and I didn't know what else would.
This here is just an off cut from when I truncated another cylinder. It could be used again to form another shape.
When you have melted a batch of plastic but all of your main moulds are full, instead of letting it set to the inside of a pot you should use it up by setting it in another mould. Here I have made a couple of patties by setting the leftovers in a large flat mould.
This piece is small, but has some nice features like the corrugations of the wood that was used to press down upon it. The orange colour is from a bottle cap and makes for a neat marbled colour.
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