Printed with my UMO using PLA and standard settings.
None of the designs need print supports but you might have to rotate some of them to fit them to your printer
Some holder are designed to be sticked to a wall using double sided tape and some have 2 mm holes for small screws.
Biotechnologist, Tinkerer and PhD student at TU Munich, doing crossover research in microbiology and plant immunity. I love to recreate open source hardware and develop my own!