A plank is timber that is flat, elongated, and rectangular with parallel faces that are higher and longer than wide. Used primarily in carpentry, planks are critical in the construction of ships, houses, bridges, and many other structures. Planks also serve as supports to form shelves and tables.[Wiki]
This model of plank is ultra lowpoly (6 polygons or 12 trips)
The model have texture and normal map.
It is a FREE model, you can use it how you want.
Made in Blender v 2.79