Schlenk tube stand

This is a stand for common size Schlenk tubes up to about 175 ml.
I designed it because I got fed up with having to use clamps or beakers when i wanted to set aside tubes not currently in use.

Please note that while PETG has better solvent resistance than PET it is certainly not the best material for lab-use. A few drops of solvents like acetone or diethyl-ether here or there will do no harm but you certainly don't want to douse it in solvents.

For better solvent stability i would recom