STEVEMIT
littletechbird/breaker-test-pins
Primary injection test pins (tulips) for molded case circuit breakers: hex lug end, tulip neck, all rounded-square body, seven sizes.
STEVEMIT
littletechbird/dirac-belt
Dirac belt (belt trick): a cube tied to anchor pads by ribbons, posed at any moment of a 720 degree untangle.