Have Batman and Superman at your side while working on your 3d printer and prints! This 3D printer tool holder can hold a 3Doodler Pen, Pen filament, needle files, painter's tape to use on your printer bed,  pencils, and a metal scraper (maximum width 3 inches). Sliced and made for easy construction so you can slot the pieces into each other and not have to worry about using an excessive amount of super glue or filament with a 3d printing pen.