Switch Pro Controller Cradle v2
thingiverse
Here's a solution to play an undocked Switch with a Pro Controller
Download Model from thingiverse
With this file you will be able to print Switch Pro Controller Cradle v2 with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Switch Pro Controller Cradle v2.