Use this 3D printed part and some banana jacks and an LTC1871 boost converter to convert a spare computer power supply into a bench power supply. Some soldering is required and a parts list is below. I've included the Fusion 360 file so you can modify to your hearts content!
And remember kids, electricity is dangerous!
Banana Binding Posts at Amazon - https://amzn.to/2lNSr4z
LTC1871 Boost Converter at Amazon - https://amzn.to/2lJQOok
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
Doesn't Matter
Supports:
No
Infill:
25%
Filament:
Cheapo POrange
Category: ElectronicsThe author marked this model as their own original creation. Imported from Thingiverse.