Across the nation, people are 3D-printing free emergency whistles to warn against ICE.

The first thing I do every morning and the last before bed is harvest sheets of emergency whistles from a 3D printer. Oh, this color is excellent. I print whistles nearly 24/7.Boxes full of whistles. Bags full of whistles. Boxes full of bags.Why. Because Renee Good and Alex Prey. Because whistles might help us protect our neighbors from ice.Because making whistles is easy. Because doing something, anything at all, feels so much better than nothing. It's almost too easy.I can still work, eat, sleep, hold my ...