For better, annoyance-free molecular tutorials.
Jmol Tutorial Creator++, or JTC++ for short, fixes issues with the Milwaukee School of Engineering's Jmol Tutorial Creator (https://cbm.msoe.edu/markMyweb/jmolCreatorStonyBrook/), such as molecules not loading. It also adds neat features like setting a default molecule.
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DISCLAIMER: This extension is created by Ian Morrill and is in no way affiliated with or endorsed by the Milwaukee School of Engineering or their Center for Bio-molecular Modeling.