1. You first need to take the thicker chipboard and cut to 12″ x 9″. You want to score the chipboard at 5″ from one side and 5″ from the other side. For scoring the chipboard, use a paper slicer and ...
As we observe the leap year on Feb. 29, it’s a fitting time to explore five unconventional perpetual calendar watches that put a fresh twist on one of watchmaking’s oldest complications, which ...