i have some ideas for a few models i want to build. What would i need to do to get the parts roughed out from a sheet of styrene? Depending on the price it seems like it would save me a bunch of work. I'm thinking something like the one in the link blown up to 1/25 scale.
http://www.paperbuses.com/wp-content/uploads/2008/11/muni-g870.png

