Website: thingiverse
Author: c172cpt
Price: Free Download
File format: .Stl 3d printable
Description:
I liked sbeecroft’s mortar below:https://www.thingiverse.com/thing:3490682But decided i wanted it to mount to a real set of fins. In the files you will find a new lower section and an adapter, the adapter goes in the lower section and has a 1/4-20 thread to be retained. On the other side of the adapter is a 7/8-20 thread