This is a stand to paint model cars and other models with. Hole sizes used to fit a wooden skewer stick. Top piece just pushes into bottom piece, tight fit though. Use a rubber band on the bottom of the arms to keep tension on the model.
paint tube holder 3D Models to Print - yeggi
Free STL file Modeling Paint Stand 🎨・3D printing model to
Overly complicated folding 25mm model paint rack by fetchbeer
Expandable Vallejo/Scale75/Army Painter Wall Mount Paint Rack by
Games Workshop paint holder for peg board by ShadyRabbit - Thingiverse
▷ painting stand 3d models 【 STLFinder 】
model car painting stand 3D Models to Print - yeggi
Overly complicated folding 25mm model paint rack by fetchbeer
paint stand 3D Models to Print - yeggi
rubber band car 3D Models to Print - yeggi - page 4