This is an this an intake, so a smooth surface is important. Maybe I should make it in two parts, maybe using plasticine or wax over the foam?
I have done this by shaping blue foam and dissolving it out.
As others have said you’ll need to put a resist on the blue foam, I used parcel tape with good results also
@mcmyk started
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This is an this an intake, so a smooth surface is important. Maybe I should make it in two parts, maybe using plasticine or wax over the foam?