Designer by RH Modern
https://www.rhmodern.com/catalog/product/product.jsp?productId=prod6420928&categoryId=cat7140180 

Overall: 60"W x 11¼"D
Minimum Height: 60" excluding all extension rods (can be shortened to 18½" with the help of a licensed electrician)
Maximum Height: 156" (including all extension rods)
Canopy: 60"W x 5"D x 1"H
Rods: four 6", eight 12", four 18"
Frame With Shades: 5½"H
Weight: 60 lbs.

The archive includes:
3dsmax 2014 + vray 3.50.04
Vray OBJ.FBX