VdW B&L ribbons 1Å=

2hac helix. The A key-frame made by hand in Avogadro.
Exit/Enter WebXR to change view mode. Tested on Oculus Go (with touchpad). Click trigger button to change control modes. For tests on a desktop (Windows 10 + Chrome) the "inline" webxr session and A,S,D,W,↑,↓ keys for navigation are used.
MiniMol WebXR viewer     updated 10 June 2020