round Testtube rack (different sizes)

This round version is the follow up from my infinity testtuberack / testtubeholder Modularer Reagenzglashalter von Dud311MakerWorld: Kostenlose 3D-Modelle herunterladen You can chose your testtube diameter (30, 24, 20,18, 16, 14, 12, 10, 6) in [mm].You can chose in which height you want the guide plates. For the handle on top you have 2 possibilities, the short and for long tubes the long version. To secure the handle to the main tower use some of your 1,75mm filament left over and put it through the hole, after you alinged them. enjoy.