Félsziget Átmegy héj smooth on polystyrene coats burgonya Converge nyírás
All Purpose Foam Coat - The Compleat Sculptor
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HARD COATING STYROFOAM! Cheap Way To Make Foam Props Strong (Big Halloween Pumpkins) - YouTube
Create Coat Foam Coating - 3lbs #027 | eBay
A one-step method to coat polystyrene particles with an organo-silica shell and their functionalization - ScienceDirect
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Terrain idea: Tried to smooth styrofoam, turns out enamel spray and acrylic clear coat have some interesting cratering effects instead. Could be useful. That said, like any spray painting, do it outside.