Many artists and designers have been switching to desktop 3D printers that print only in PLA from solutions printing in ABS, but this has lead to a whole host of questions about options for “post-processing” or “finishing techniques” (how to sand/score/paint/join) for these materials as most of the existing resources come from past 3D printing experiments and from architectural model building point to ABS and styrene related solutions, such as the popular industrial solvent acetone.
Artist Micah Ganske has been experimenting with the plastic-specific one-coat Krylon Fusion spray paints and has been having good success coating a massive assembly of parts to make it look as if it was produced that way. This is good news as most of the plastic-related adhesives and spray paints are designed with solvents not suited to PLA, but this one worked really well.
Krypton Fusion for Plastic adheres pretty well to PLA without sanding or priming! 3D printers go!
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