Microcentrifuge Tube Holder for Balances

Edit 10/8/2018: Updated the bases to make them thicker with more material. It will help the tube stay stationary on the balance easier.

Edit 9/26/2018: Updated V3 for 5 mL tubes, removed V1

Updated V2 with a slight incline on the bottom of the holder.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/7rSmxc9lKFF