The Dovetail Concave is a premium anodised aluminium puzzle designed by Will Strijbos. The contrasting two-colour dovetail design is available in three editions, the concave, convex and T.
Although you don't need to be a master puzzler to solve this, the quality and aesthetics of these puzzles need to be seen to be fully appreciated. Measuring 5cm by 3cm by 2cm and weighing 200 grams, this is a premium pocket puzzle. Each is engraved with the designers signature and the number of the dovetail style.