An open-source set of files designed for CNCs and 3D printers, the OpenBike uses readily available materials like sheet plywood to make a sturdy, if unconventional-looking, bicycle. Like many ...

This DIY bike rack by @hamsterwheelbikerepair is made ... with 2×4 uprights on each end,” he says. “Large triangular plywood braces support the uprights. Plywood panels span the uprights ...