The perspective plugin set from graphicxtras consists of two plugins: inPerspective and perspective2.
Use to create 1pt and 2pt perspective grids for 3D/perspective effects.
The plugin grids can be manipulated in different creative ways via numerical settings and dropdown/preset options. The grids can be used in template/guideline mode or as paths.
Quick and simple way of creating many 3D effects in Illustrator.
new version includes a grill/grid + swatches + dropdown options/alignment settings
for more information about the plugins, http://www.graphicxtras.com/products/aiplugin6.htm