The file 'Microcentrifuge Tube Opener (Eppendorf And PCR) 3D Printer Model' is (stl) file type, size is 27.2KB.
This is a double-ended tube opener/uncapper. It is very much like KaiLun's tube decapper, except that it can be used to uncap:
And it has a bent handle so that you can maneuver around other samples when you're working with racked tubes (you bend it yourself using a bit of heat).
Lab_tube_opener.stl | 108.7KB |