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I really enjoy watching his videos, not because I have any desire to start woodworking, but because I really appreciate his approach to problem solving.

He's also the author of the gear template generator program, which is, in itself, quite cool: http://woodgears.ca/gear/index.html

I discovered it when I watched the video about the making of the Wintergatan marble machine.

In addition to being cool tool in itself, the evaluation copy wobbly mode made a fun little reverse engineering challenge :)

Of course I advise you to buy it if you use it for more than RE exercise.

For any channel visitors: be sure to check out the glorious pantorouter.

That thing is amazing!