There’s a new article in J. Cheminf. today that may be interesting - a Python package that can quickly generate SVG images:
I’ll take a look, but this seems like it should be easy to add as a plugin for Avogadro2 - to generate SVG images (wireframe, ball-and-stick, space-filling) from the current Avogadro scene.
In the meantime, it’s a Python package: