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Mixing paint, glue and materials

4 combinations under paint, glue and materials.

Combination Verdict Why
Water-based paint and oil-based paint underneath Do not Not directly. It will look fine and peel off in sheets later.
Superglue and baking soda Fine Yes, and it is a genuinely useful trick — but it gets hot.
Expanding foam and water Fine Yes — polyurethane foam needs moisture to cure, and misting the gap helps.
PLA filament and abs filament Do not They will not bond to each other, and they want different temperatures.

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