Another issue would be the dangers from extruder nozzles

Ultimaker 2+

the printer lowers the build platform and retracts the filament to prevent damage

Ergonomic design: The ergonomic design ensures that the SL-300 fits comfortably in your hand

You can attach one of 3 different types of surfaces to the magnetic building board

SpiderSheet (Ex Ender 5 PLUS) - 370x380mm Printer Tape Another issue would be theSpiderSheet is a thin, durable plastic sheet that adheres to the print bed of FDM (fused deposition modeling) 3D printers to provide an ideal surface for 3D printing. The SpiderSheet replaces the need to use glue or other chemical substances for securing the print. Installation: 1. Wipe down your bare build platform making sure it is clean and free of debris. 2. Trim the SpiderSheet sheet to match the size of your build plate (if not already). 3.