![BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PN/9/30645.png)
BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog
![LEGO Dark Gray Brick 12 x 12 x 1 with Grooved Corner Supports (30645) | Brick Owl - LEGO Marketplace LEGO Dark Gray Brick 12 x 12 x 1 with Grooved Corner Supports (30645) | Brick Owl - LEGO Marketplace](https://img.brickowl.com/files/image_cache/larger/lego-dark-gray-brick-12-x-12-x-1-with-grooved-corner-supports-30645-28-976000-53.jpg)
LEGO Dark Gray Brick 12 x 12 x 1 with Grooved Corner Supports (30645) | Brick Owl - LEGO Marketplace
![LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base](https://i.ebayimg.com/thumbs/images/g/IKYAAOSwPuZhjThr/s-l225.jpg)
LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base
![BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/30645.png)
BrickLink - Part 30645 : LEGO Brick, Modified 12 x 12 Base [Brick, Modified] - BrickLink Reference Catalog
![LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base](https://i.ebayimg.com/thumbs/images/g/YaQAAOSwTvdi8yPp/s-l225.jpg)
LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base
![LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base LEGO Sets with Part 30645 Brick 12 x 12 with Three Holes on Two Sides, Vertical Pegs in Corners, and Indented Sides, Modified Base](https://i.ebayimg.com/thumbs/images/g/ha0AAOSwEFlhcGqp/s-l225.jpg)