You can get a matte finish module as a game mod, 3D printing filament, or paint medium depending on your needs.

1. Game Mod for Matte Finish

If you are looking for a matte finish option for trucks and trailers in simulation games, the Steam Workshop offers a mod that adds a matte/flat finish to all SCS trucks, including accessory DLCs. You can download it directly from the Steam Workshop page for the mod, which also provides instructions for adjusting colors and using multiple color selectors in paint jobs . This mod is compatible with games like Euro Truck Simulator 2 and American Truck Simulator.

2. 3D Printing Matte Filament

For 3D printing projects, matte finish filament is available in PLA, ABS, or PETG with additives that reduce reflectivity and create a non-glossy surface. It comes in various colors, including pastel and multicolor options. Matte filament is ideal for minimizing visible layer lines and achieving a professional, low-reflective look. You can purchase it from online 3D printing suppliers or specialty filament stores, and it requires careful printer settings for optimal results, including temperature, speed, and cooling adjustments .

3. Matte Paint Medium

If your goal is painting or artistic projects, products like Liquitex Professional Matte Medium can be used to give acrylic paints a matte finish while thinning and extending paint volume. This medium is water-based, intermixable with other paints, and suitable for collaging or as a fixative. It is available from art supply stores or online retailers specializing in professional art materials .

Summary

• Game mod: Steam Workshop for trucks and trailers (Euro Truck Simulator 2 / ATS)
• 3D printing: Matte PLA, ABS, or PETG filament from 3D printing suppliers
• Painting: Liquitex Professional Matte Medium from art supply stores Choose the option that matches your project type, and follow the specific usage instructions for best results.