DJI Phantom 2 h3-3d Gimbal clamp/ GoPro 3 lens cover

I was looking for a way to keep the h3-3d gimbal from swinging around and nothing was here. Here is attempt 1,its basic, but worked out pretty good with no additioan parts needed or supports.
I just posted version 2, this version still uses no additional parts or supports but might need rafts. CAM2.stl is version2
Version 3 has jusr been posted, this version will allow you to plug the USB into the GoPro without removing the gimbal clamp. Cam3.stl is version3.

If you are looking for the v