Here is a Steam Controller stand inspired from Sixergy’s one, but with constant width, better style, better curve to support the controller and fillets everywhere.

There is a model with a hole on the top (the one I printed and use) to reduce material usage (it also looks better I think), it is aligned with the Steam logo of the back door.

I made it in Fusion 360 and also attach the STEP files if you want to modify it. STL models are normally already in the proper orientation for printing (flat on the left side)

Hope you like it!