AX800 dimensional info/ 3d CAD STEP File

The product brief here has some dimensional info but not enough. hpc-converged-accelerator-ax800-product-brief.pdf (

States NVIDIA Form Factor 5.5 Specification (NVOnline reference number 1063377)

I need this document as well as a 3D STEP file of this product if possible so I can design a custom system to hold it.