Magnet Roller

I designed and built this magnetic sweeper to tackle the disturbing amount of old nails and screws scattered around my backyard and house. After collecting several pounds by hand, just by walking around and looking, I turned it into a design challenge: model and 3D-print a tool to help fight back the tide of unwanted ferrous materials. Unfortunately, this story is not one of star-studded success. While my plucky little sweeper’s magnets are strong, his off-road performance… is weak. Thick grass