MMS GoPro-style holder for a Celluon PicoPro projector

The projector doesn't have any accommodation for mounting whatsoever, so I need to have some sort of clamp to hold it on a tripod. This is based on the great design for a GoPro-compatible phone-holding clamp from the Modular Mounting System, but with jaws modified to hold the projector securely. The original design isn't OpenSCAD, but that's all I use (so far), so the remix is done by adding and subtracting stuff from the original STLs. These geometric modifications are not quite seamless, bu