For example, I like the Prusa V2 LACK enclosure design and its 3D-printed parts, but the next time I build one I will use corrugated plastic panels instead of acrylic. In preparation for this ...

Plastic grit is used to clean surfaces, remove powder coatings, and to abrade gel coats and printed circuit boards (PCBs ... urea, melamine, and acrylic. Specialty plastic abrasives are also available ...