Here is a road tile for my graveyard tile set. It is 2x2" and is compatible with Openforge 1.0 and 2.0 tiles (the Ver2 file is for 2.0 compatiblity).

Note - The tile pictured is slightly different than the file uploaded. The uploaded file does not have the small square in the corner.

You can find the rest of my Graveyard tiles here - http://www.thingiverse.com/Lifeburn/collections/graveyard-tiles