BOM:
HDMI CSI converter (careful only use to replace a long CSI cable, do not connect HDMI devices to CSI, they have different voltages and will burn out.
Raspberry Pi 4B
5V 4010 Fan
PCBAs to solder the screw connectors onto:
(1 PCBA needs to be cut out to be 25 * 37.4; 4 2mm holes 2.5 mm away from the edge, drilled in the existing holes)
Relais Module (if it is high active, just add pullups to the ULN, if necessary you can. Steps are available, so alter the 3D if necessary), i.e.:
Fuse holders:
ESKA 503.500 G-Sicherungshalter SHP offen für 5x20mm Printmontage, 6,3A, 250V : Amazon.de: Baumarkt
HW components (see scematic)
Heatsinks:
14 M2 + 15 M3
Screws:
8 M3 * 30 cone head screws
2 M3 * 10 … 12 cone head screws
2 M3 * 10 … 12 Imbus screws
Either 4 M3 * 16 cone head screws + 4 M3 Nuts or the rubber fixers delivered with the fan to fix fan and Grill to RPI cover
12 M2 * 10 flat head or imbus screws
2 M2 * 12 … 14 Cone head screws
6 2mm * 10 mm wood screws (to fix the VORON DIN clips)
The author marked this model as their own original creation.