Thanks so much!
1) Rough sand with 120 grit to remove printer artifacts.
2) 3 coats of White high build catalyzed primer sanding 320 grit between coats. Primer must be white, yellow is very hard to cover even light grey primer, so by using white I cut my yellow base coat coverage down by half
3) Wet sand primer with 400 grit, then spray with colour matched yellow automotive base coat. I spray the yellow then the green and brown, these colors are done with an air brush.
4) After the base coat dries, about 20 minutes, I spray 2 wet on wet coats 10 minute apart of catalyzed clear that I have flattened to semi gloss (these are not full gloss) When you hold them in your hand they truly feel like injection molded plastic, partly because of the slight reduction in the gloss.
I can post all the product and guns I'm using if people are interested. Maybe when I have time I can create a thread in the 3d printing forums on how to finish small plastic parts.
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