A modern seize on a classic – the woodblock puzzle. This problem was shared by readers from Singapore and Uzbekistan. Alex presents a drawing of a top view and a front view of a wooden three-dimensional thing. The challenge is to draw the side-view of the thing,firstly where you are only allowed flat surfaces, and secondly when you’re allowed curved surfaces tooWant to see a written version of this puzzle? Click here
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Source: theguardian.com