Mounting bracket for Bauer String Work Lights.

I have a set of Bauer work lights that I want to mount semi-permanently. This is my first TinkerCad project. The lights have an 8mm mounting hole cast into the top. I used 4-½" x ¼" lag bolts to pin the light in the mount. Drywall screws secure the bracket to the two-by rafter or joist.