Quick release socket holders and rail to organize sockets in tool bag

This quick release socket system works exceptionally well. The sockets stay on the holders but are quick to release when the tab is pressed down. I modeled them on the set that came with a set of sockets. The picture with the orange holder was the original and has a US patent number 6450338 from 2002. I couldn't find commercially available models so made my own. I've included the FreeCad files if anyone wants to modify it.

Also, as the tolerances are tight, I found that the holders would only slide on in one direction initially.