Tool for threading wood.

This tool attaches to a router table and is used to thread wood.

box.stl - It is theretool for threading wood.

hex.stl - It is an edagonal nut

barrel.stl - It is a nut with a round profile

With the three files above, you can create a vise like the one in the picture.

NB. By printing the mirrored tool, you can make the left-hand thread.

I have put the source in OpenScad in case you want to make your own version.