Lego train sets have been available for decades, now. The Danish manufacturer long ago realized the magic of combining its ...

If a zipper breaks, a 3D printer might not be the first tool one reaches for — but it’s more feasible than one might think. [MisterJ]’s zipper slider replacement is the kind of 3D print that used to ...

Welding manuals describe conditions that do not exist in trailer fabrication. Clean steel, tight joints, still air, perfect shielding from start to finish—walk into a trailer bay and the fiction ...