I just returned from the International Puzzle Party (IPP) and it was, of course, amazing. Absence makes the heart grow fonder and between the Covid pandemic and conflict in the Middle East, I hadn’t been to an IPP since 2019 – so attending this year was particularly exciting. One of the highlights of every IPP is the Puzzle Exchange in which each participant brings a puzzle that’s never been produced before and exchanges it for […]
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Stewart Coffin’s “Burr Muda” Puzzle
I’ve been having a lot of fun with coordinate motion puzzles, some of which I’ve even blogged about. Well, one of the coolest is a Stewart Coffin design (STC-112) called “Burr Muda” and it looks like this: One of the things I really like about this design is that all six pieces are identical; that appeals to my sense of symmetry I suppose. Second, since it’s a coordinate motion puzzle, those six pieces must define […]
MoreStewart Coffin’s #167 “Cruiser”
As I mentioned in my October post, I’ve been having fun making puzzles using designs I found on the web and one of them is Stewart Coffin’s 2D packing puzzle, #167, a.k.a. “Cruiser”. I’ve shown it to friends and family and it’s been a big hit so I reached out to Stewart about selling them. We exchanged some emails and met so I could show him the finished product: He agreed! I have his permission […]
MoreSome Fun DIY Puzzles
I was wandering around the web recently, looking at various websites devoted to puzzle collections, puzzle designs, puzzle math, etc., and found several that were simple enough for me to fabricate myself. The first one I’ll talk about is the “Blossom” puzzle by Bernhard Wiezorke and here’s a link to a description of it on John Rausch’s amazing website: http://www.puzzleworld.org/puzzleworld/puz/blossom.htm. As John put it, “Unbelievably, the four ‘L’ shaped pieces hold together after the last piece […]
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