Yeast Vial standing holder (Proscitech LCA-02)
thingiverse
I purchased a bulk pack of Proscitech 50mL LCA-02 vials (https://proscitech.com/?navaction=show_page&chapter=l&page=9#lca01) online for storing yeast, but I failed to notice that they had conical bottoms and couldn't be stood upright. To keep them stable while thawing and in use, I created a simple stand using cups.
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