Use this when you don't have a large enough hole saw to cut holes for your recessed lighting. I used this to trace the holes exactly where I wanted them and then cut them out with a router. Parametric design so you can edit size as desired.

https://cad.onshape.com/documents/d42f112ecf36e91d8785fc16/w/5fb65e4a5e4e06f5e61fd144/e/6d8e2a5eec9bfd5bd022df6c?renderMode=0&uiState=6984b1136ad882eede92e8c6