First mistake appears to be have been to try and produce a full 'box' form in one cast - the paper doesn't shrink away from the mould as much as other things and is not as robust when you are trying to remove it.
Second mistake might have been to be too cavalier about undercuts.
Third mistake - well I don't know quite what the reason is but I can tell you the result: pitting in the cast surface. Very poor resolution of the mould's texture.
This raises a couple of questions I think:
- Am I being true to the material, trying to get a smooth hard surface finish, is it actually possible?
- Does the dilution of the pulp, at least for the first layer matter? Should I go thinner with the mix?
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