There are other ways to do this but I chose this rout. The stock to be cut will have the alignment holes pre cut to match the pins on the jig. the nuts that are on the jig were measured for thickness they are all within .001 of one another and act as spacers in case mistakes are made so the jig will not get cut into. Use of jig place part into jig all through holes can be cut ok so you dont need a jig for that but say you want to cut designs on the face of the spinner and would like to have a design on the other side also with the jig you cut the design flip the stock over and cut the other face. without some sort of jig flipping a part over and cutting the other side and having everything line up is not easy well for me anyway. I made this jig mostly for cutting spinners into full 3D shapes instead of a flat 2D shape. I find this to be useful for making spinners in easel also to put a carving on both sides with the exception then you flip it over make all of the cuts that go full depth 0 that way you can keep the tabs. when I use jigs I clamp scrap wood to the wasteboard and cut a pocket that the jig fits into this way before I start I know everything is squared up with the machine.
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