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I like that a lot.
Are you using PLA for the support and cutting it off?
Do you use PLA for support with the TPU as well?
I recently bought some water soluble PVA to use as a thin boundary layer between the support and print. Not sure if it works yet, but a thin layer is all it's getting as it's rather expensive as filaments go.
Have you any idea where I could find the toxicity of the various filaments when printing? (ie when hot.) Trying to come up with an extraction system for my nephew's printer that doesn't also suck all the heat out.
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