This is a snap-fit case for the 10€ galvanic USB protector PCBA you can source from China. With this gadget you can be sure not to tinker-blow your valuable USB ports with an unmindful failure in your DIY electronic prototypes. There is an option to externally power the four downstream ports but up to approx. 100mA you can power from the internal DC/DC converter. The PCBA can be screwed directly in the case as the mounting holes are threaded.
In addition to both print parts you need
Printing Parameters
Happy tinkering :)
The author marked this model as their own original creation.