3D printable pipette tip sorting device 'Elster' - YouTube
3D Print a Pipette Tip Sorter! | Lab On The Cheap
3D printable pipette tip sorting device 'Elster' for 200 µL pipet tips - YouTube
FINDUS: An Open-Source 3D Printable Liquid-Handling Workstation for Laboratory Automation in Life Sciences - Fabian Barthels, Ulrich Barthels, Marvin Schwickert, Tanja Schirmeister, 2020