Quote Originally Posted by LambdaFF View Post
Depending on the shapes you want to mould in your patterns, you might be forced to make a multi-drawer mould. In that case, the 11inch dimension might not be relevant.
Exactly the point I was going to make. We are using this technique for carbon fiber casts.

Here is a good comparison chart listing printers by price and build volume. http://www.productchart.com/3d_printers/

It's more geared for the States but should help give you an idea on what models to look at.