Based on the answers provided, the following corrections need to be made to the 3D object:

1. The object should be modified to resemble an irregular hexagonal tile. Currently, it appears to have five sides, indicating that it is a pentagon. To correct this, an additional side should be added to make it a hexagon.

2. The amount of extrusion of the object is unclear. To ensure that the extrusion is small in amount, the thickness of the object should be reduced. This will make the object appear less bulky and more like a tile.