LEGO can get pricey, especially if you're hoping to pick up some of the bigger sets. If you're trying to build something a little more budget-friendly, it's worth checking out 3D puzzles. These ...

Have you ever been about to finish a puzzle, when suddenly you realize there are more holes left than you have pieces? With [Nikolaos’s] 3D printed sliding puzzles, this will be a problem of the past!

The detailed 3D map of UC-71 shows doors which it is believed were opened by the crew A German U-boat from World War One is likely to have been sunk deliberately rather than being handed to the Allies ...