API Tube holder
thingiverse
This is a holder for the API freshwater test kit. It has a slot on the back to place the color-levels paper.
Download Model from thingiverse
With this file you will be able to print API Tube holder 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 API Tube holder.