Fiberglassing

I dunno if any you guys listen to a podcast called ToolMonger but in some past episodes they talked about a console for a Yukon or something, that they fabricated out of fiberglass. After hearing them talk about it I am kinda interested in it for modifing my dash. Anyone here ever played around with fabricating pieces out of fiberglass? I would be interested in hearing others opinions or experiences or horror stories about it!