Nintendo Switch Steam grip

This is a work-in-progress for a Nintendo Switch Joycon grip. I believe the original grip is too small for my hands, so I combined the Joycon docks into something that has notoriously large hand grips: the Steam controller.

I want to stress that this is a really rough mock-up, and I originally wasn't going to share it, but several Redditors have asked for this, so here it is. For me to go further with this model, though, I will have to redesign it from scratch, as I made this in Tinkercad, and I've reach the extent of what I can do with the model in it.