Custom 3D graphics - cartons of product on a pallet

Custom graphics required showing various quantities of cartons of product on a pallet in 3D.
Total of 6 different graphics required, to be provided as Vector (AI or PDF) and JPEG.
Full project specification, including examples, plus vector based logos and graphics to be provided separately.
Project requires a high attention to detail, following instructions carefully - this is more about accurate technical drawing rather than artistic design.
Example of existing graphics shown separately. Updating, and expanding, these existing graphics is the basis of this work