Portal Prints
Warning signs from Portal 1 with Blockhead silhouettes! 

Includes:
- Warning signs for 2x2f tiles and 1x1 bricks
- Exit/Directional Signs for 2x2f tiles
- Greyed out warning signs for 1x1 bricks
- "Bloketure" Laboratories logos for 1x1 bricks
*Last Updated: 10/7/2014 @ 4:48 PM CST