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hello. I just received my first 3-D printed structure for Christmas and now I'm trying to paint it. When I received it it was grey, and no matter how many coats of paint I use, I can't really get it to change. It seems like it's just soaking up paint. Does anybody have any tips?

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I post-process my gray resin prints in two (2) alcohol washes before a 60 min cycle under ultraviolent light at 60 degrees F. The UV light matches the wavelength of my printer's laser.

When you buy resin prints from ebay, etc. unless the buyer specifies their post-process, you don't know if there was any post-processing performed according to the resin specifications.

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