20x20 crossfire nano stack mount

was looking for a nano mount to mount on a 20x20 stack- didn't find one so combined the designes by caseyjholmes and bluem6 to come up with this. Planning to use it in an Armattan Gecko build, and didn't want to stick the nano to the underside of the top plate since it is a top mount battery and I didn't want the conflict with the battery straps.. Simplify3d with my current tpu settings is predicting the weight to be 1.48g including the support material.

using this on an Armattan Gecko in th