About this 3D model
This is a simple 1.5ml Eppie, in both parameterised form (for making alternately sized microcentrifuge/PCR tubes, and unparameterised and appropriately scaled form. I've included a simple and "high res" form of the STL. This stuff is Creative Commons, Attribution, Sharealike. http://creativecommons.org/licenses/by-sa/2.0/