ONE PLUS ONE has great quality speakers, therefore 1P1D has designed an amplifier for Ultimaker 3D printer to get even better sound from the device. The design is shaped by the acoustics, where the sound waves flows gently outside of the boombox. Printing designed for 0.2 mm layer and slow print speed for complete print, or faster speed for printing part 1 and part 2 separately and then gluing them together.