Info:
VRayPattern is a plug-in for 3ds Max and V-Ray that allows you to multiply geometry without extra memory consumption. As a sample, you can use any tiled geometry (or whose with unobtrusive joints). The plug-in is best used where huge amounts of geometries are required, but without great accuracy.

Features:
Geometry based ?2d-displacement? like texture.
Low memory usage.
Superfast rendering.
Unlimited number of copied geometries.