The OTFB: a switchblade-inspired, machined sculpture

Machinist/sculptor Chris Bathgate (previously) has revealed his latest piece: the OTFB (out the front/out the back), a spring-loaded, switchblade-inspired piece that substitutes rotation for a sliding switch, "creating a small amount of mechanical advantage, lessening the effort on the part of the user needed to load the spring in the assembly." Read the rest