This was remixed from piercet's 3mm Wade's Releoaded Extended height Hexagon mount. I cleared the filament path and added support to the opposite side of the top. I also recessed the bolt hole in the top. The rest of the parts can be found with the original project:
Printed in ABS for strength. Original built in supports don't print perfectly if your nozzle is larger than .4mm. The print in the photo used .2mm layer height, 3 perimeters, 5 bottom and top layers, 80% infill with MakerGeeks ABS.