I made this for those excellent tests we get at work.

Since some testing kits do not even have a hole in the packaging, I needed to make my own stand for the tube.

Print Settings

Printer Brand:

Anycubic

Printer: 

Mega X

Rafts:

No

Supports: 

No

Resolution:

0.2 mm

Infill: 

20%

Filament: 

SUNLU PLA Black

Notes:

0.4mm nozzle

50mm/s print speed