4 dram vial holder (2x, 4x, 6x, 10x)

For 2 dram vials, please check this design: https://www.printables.com/model/360935-holder-for-2-drams-vials-5-ml-tubes-and-15-ml-falc

For 1 dram vials, please check this design: https://www.printables.com/model/360941-holder-for-1-dram-vials-5-ml-tubes-and-15-ml-falco