
For a Good Cause: How a Manhattan Beach mom is using 3D printing to reinvent recovery shoes
When my son was in second-grade, he used a 3D printing pen to make a pair of eyeglass frames. They were as brittle as a toothpick, with rims as thin as dental floss and clown-red frames that wobbled on my son’s little face. But 3D-printed they were — and …