Gear Bearing with mounting plates

This is a Remix of emmett's fabulous gear beraing.

These bearings are great, but you don't have any mounting points to attach something. So I changed it and now you can have as much mounting points as you want.

Have a close look to the customizing options in SCAD file. You can now enter the number of mounting points, the screw diameter and the height of flanges.

In origin, the bearing has a hex hole in Center. That's great, but it goes through the total height. So you can't drop a nut i