58 cal tube racks
thingiverse
The tuberack_50 creates a rack for 50 tubes (up to about .65 inch diameter). Larger or smaller racks can be created by printing two tuberack_end and as many tuberack_mid as you like (possibly of different colors), and gluing them together (I use epoxy).
Download Model from thingiverse
With this file you will be able to print 58 cal tube racks with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 58 cal tube racks.