This is a tool for a tool. It was designed by Jim Katz. It is a holder for the Great Planes Slot Machine.

The whole purpose of the tool is to be able to slot balsa with centered and straight hinge slots. Anyone who has used the Slot machine by hand knows that while it is a good tool, it is tricky to use.

This holder is made of plywood. I'm thinking of getting them laser cut and selling them either as kits or pre-built. The cost should be quite reasonable.

I have CAD drawings and may just post the drawings for people that want to make their own. If you do, just let me know.