GPS antenna ground plane cutting & placement helper (Emlid Reach RTK, Tallysman TW4721)

For Tallysman TW4721 GNSS antenna:
https://store.emlid.com/product/tallysman-multi-gnss-antenna/

A little tool for helping with cutting a 10x10 cm ground plane and subsequent antenna placement.

There are two exchangeable insets, one for marking, one for drilling a hole for the cable.

For further details on antenna placement:
https://docs.emlid.com/reach/antenna-placement/


**Update 2019-03-22:**
Now includes a 7x7 cm version.
Besides STL, now also includes OBJ, IGES and SketchUp