A lot of people have asked me over the years where they can find the js_greasePencil script for Maya that I wrote a while ago.
This is a handy script that lets you draw on top of your Maya scene. You can use it for thumbnails, roughing out timing, drawing arcs, etc. It’s pretty basic, but handy to have!
Anyway, I’ve added the script to the downloads page. If you’re logged in, you can download it here: