HOUSING: Used 1.75mm Elegoo Rapid PLA+ (PLUS) Filament at 0.2mm layer height, and 30% infill. If you don't have a 360° STL file viewer, you can download one for free here: https://papas-best.com/stlviewer_en For 3D print use https://jlc3dp.com First Unzip 3D files then upload them to https://jlc3dp.com Let me know if you have any questions you can reach me support@bbmpulser.org Andrey D