Holder for 2 drams vials, 5 mL tubes and 15 mL falcons

You can get a 25x version here: https://www.printables.com/model/882970-holder-for-2-dram-vials-19-mm-25x

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

For 4 dram vials, please check this design: https://www.printables.com/model/562787-4-dram-vial-holder-2x-4x-6x-10x