Creality Ender 2 - MKS Gen 1.4 + Raspberry Pi case

I like the Ender 2, but the sound level when printing is annoying. That's why I got myself a new control board (MKS Gen 1.4), as well as the TMC 2100 stepper drivers.

For this I designed a new case, which houses the MKS board, a Raspberry Pi 3, a DC-DC step-down converter and an 80mm fan. The housing consists of a base plate which is screwed to the ender with the existing holes. The 80mm fan is integrated in the design. The upper parts of the housing (MKS_Top_Case.stl and Raspberry_Top_Case.s