(large) test tube stand
thingiverse
Test tube stand for large test tubes ( d = 30 mm, h = 20 cm ), Fusion 360 file for modifications is included I made multiple test tube stands, which can be found here: Version for 7 small tubes: https://www.thingiverse.com/thing:2460058 Version for 7 normal sized tubes: https://www.thingiverse.com/thing:2719817 Version for 7 large tubes: https://www.thingiverse.com/thing:2460095 I also made a stand for round-bottom flasks, which can be found here: https://www.thingiverse.com/thing:2413613
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