of fun and frustration and a requirement to pay close attention to detail. Today (Wednsday3/8/17) there is a thread about these. Today I'm taking the lazy easy way out for a daily URL, I'm not posting one, instead here is a google search. There are so many and so many different styles that you could develop a craft business and never have to repeat a puzzle, but note that this exercise lends itself to mass production and lots of set up jigs and fixtures if you reall want to get serious.
https://www.google.com/?client=safari&c ... start=10&*One of the woodworking shows on TV a while back used the 3 piece burr scaled up to make a table leg system.