Check it out in Google 3D Warehouse here.
I’m going slow on the uploading, for two reasons. First, there’s always a good possibility that there is a fundamental shortcoming in my design which will force me to redo everything. Second, I want to concentrate on other projects now.
Still, my ambition is to upload a hundred molecules.
(UPDATE 1/11/11 [oooh, I just noticed that!]: True to prophetic utterance, I made a mistake and had to omit a double bond in the guanine model that I originally uploaded. This updated version of the blog post is correct, as is the model now resident in Google 3D Warehouse. He Said.)