Transistor tester case
thingiverse
A case for the generic chinese three legged thing tester. Cutout for a RadioShack slide switch, space for a battery, pass through to let the little clip leads out. Stuff it with something like this: http://www.banggood.com/GM328A-Transistor-Tester-Graphic-Wave-Signal-RLCESR-Meter-Inductance-p-997582.html?rmmds=search
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