Now that we are rooting larger cuttings, their leaves need more room.

This is a tripod stand to hold a test tube.

Customizable for the diameter of your test tubes.

See https://www.thingiverse.com/thing:5143249 for the seedling collar.

Prusa

i3 MK3

No

No

0.3mm. Standard 0.4mm nozzle

0%

I used a brim for extra bed adhesion.

A rubber band just above the printed collar keeps the collar from riding up.