The Swiss Center for Electronics and Microtechnology (CSEM) has collaborated with metal 3D printing specialists 3D Precision and Space and Naval SME Almatech SA to design, 3D print, and test a Compliant Rotation Reduction Mechanism (CRRM). 3D printed all-in-one in high-performance stainless steel, the CRRM is a frictionless gear ‘compliant mechanism.’ The gear system is designed to enable the precise rotation of aerospace components such as thrusters, sensors, and telescope lenses or mirrors, wi