Editable model is available on:
https://tinkercad.com/things/2jUKWiqFpQj-xbox-controller-clip/

You can adjust the model to fit your game controller by editing the paths of our design on our Tinkercad page. Click on Design > Download for 3D Printing. Then click on the .SVG file.

Open the paths in you preferred vector editing program and adjust the clip height to fit your controller dimensions.

Import the file back into Tinkercad and adjust the thickness of the extrude and screw holes by hitting the "R" key to bring up the ruler tool.