Synchro Drive in Lego (part 2)

Hooray for Lego CAD software! Here's what I used:

• SR 3D Builder: After a few hours of poking around, I found this to be the easiest and nicest looking program for building Technic models.
• MLCad: to import SR 3D's files (just open all file types) and to edit / reorder the build steps.
• LPub: to generate the build instructions.

And here are the build instructions for my latest iteration of a syncro drive part: