I grabbed this, made by Quandtum.
I converted blender file to stl and printed it.
Came out pretty nice, solid and easy to clean.

Layer height 0.15 with 10% infill, 2 perimeters and some layer at the top and bottom.

Source and credit : http://www.blendswap.com/blends/view/60989

You have to scale the model from inches to mm in your printing software.