By Don Slusarczyk | don@slusarczyk.comAs seen in the January 2024 issue of Model Aviation.BECAUSE OF THE WAY that 3D printing technology works, printed parts generally need some post-printing work done to them before they are assembled. 3D-printed parts can have random bumps on them or imperfections on the surface that need to be removed.One of the tools that I have found useful for this is a Scotty Peeler label scraper. It is great for removing surface artifacts that might appear on printed parts, such as stringing remnants, or on excess filament from a layer change. The edges of the scraper…