Lister wrote:What is PVA mould release? I have seen it in the paint place in bendigo but wasnt sure if it would work for what im doing.
Poly vinyl alcohol dissolved in alcohol/water. Spray/brush/wipe it on, allow the solvent to evaporate and you're left with a parting film. Painters use it instead of masking tape
Lister wrote:To make a split mandrel do I just cut it in half and have it so I can inser a pin on an diagonal at each end to keep the halves togethe.. or is it with an expansion joint that can be made bigger or smaller with a bolt.. or something completely different?
I was thinking of a removable insert in the slit, but use whatever works for you!
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