ATX + SK40 or SK150 Lab Power Supply Case

Compact housing for ATX-based laboratory PSU and ZK-SK40 / ZK-SK150 module

Description

This case is designed to assemble a homemade laboratory power supply. It uses a standard ATX computer power supply (fits snugly) and an adjustable step-down converter **ZK-SK40C** (or a similar size, for example ZK-SK150).

Ideal for:
- Standard ATX power supply  
- SK40C step-down converter or compatible  
- Banana type connectors (4 mm)  
- Switches

Features

Three model options to choose from:

1. 4 outputs – one output from the module, three outputs directly from ATX.  
2. Two converters + reinforced ventilation – for more powerful assemblies.
3. Two converters + a place for a fuse holder 5×20 mm.

Other advantages:
- Printing without supports
- The housing has holes for 3 mm soldered threaded bushings.  
- There are 3 mm screw holes on the lid.

Printing Recommendations

- Material: PETG (Polyethylene terephthalate) – for better heat resistance  
- Layer height: 0.2 mm  
- Filling in: 20%  
- Number of perimeters: 3

If you build such a device, let me know how it turned out. 😉