Laboratory vial holder customizble

This is a system for laboratory tubes or vial of various sizes and lengths. Remixed from [Vial Holder](https://www.thingiverse.com/thing:1629148) by [bendoan](https://www.thingiverse.com/bendoan/about). This very useful for those of us who work in the laboratory or just have lab at home. Now you can easily store vials containing various samples. You could generate holder for any sizes and numbers, or you can download one of the sample files I've included.