https://www.1stdibs.com/furniture/lighting/chandeliers-pendant-lights/quilted-double-shell-snap-pendent/id-f_3688342/ 

Early Style Quilted Glass Operating Room Light Pendent

What a beautiful, simple and elegant lamp this is. With these proportions it can be used almost anywhere. The fixture is only 6 inches tall plus what ever pipe length is desired. The clear glass shades have a unique quilted pattern and snap into the lamps copper frame. The glass and frame is from early 20th century store window reflectors.

In the Style Of
Industrial

Date of Manufacture
1920-1940

Dimensions
6 in.Hx20 in.Wx12 in.D
15 cmHx51 cmWx30 cmD

The model is based on the original manufacturer dimensions and technical data.

Materials and groups are named the same, as the model.

Instance geometry, one multi-submaterial for model for easy change or setup.

Lowpoly geometry for turbosmooth.

Object at 0.0.0, clean and light scene.

Unwrapped UVs