I don't think there's anything like this already, so I figured I'd create it. Mods, feel free to move this if it's in the wrong place.
Why not have a topic where people can post if they're having trouble drawing the CP for their model? I realize this doesn't happen very often, but it could be useful if and when the need arises.
For example, I need some help with an elevation change in a model I'm working on. Here's the situation: Help Wanted by Baltorigamist, on Flickr
Sorry to ask for help again, but I've changed the design to include more detail, and I need to know if this is flat-foldable: Flat-foldable? by Baltorigamist, on Flickr
Details on that page.