You could have downloaded PerspectiveGrid - Andrew's Vector Plugins 6 6.4 for Mac from our application library for free. This Mac application was originally produced by Abneil Software.
From the developer:
The perspective plugin set from graphicxtras consists of a perspective plugin (combining one and two point perspective into a single plugin for this version) + bonus symbols and additional material for Illustrator
Use to create 1pt and 2pt perspective grids for 3D/perspective effects.
You may want to check out more Mac applications, such as Vector Magic, Vector Code or The Vector Converter, which might be similar to PerspectiveGrid - Andrew's Vector Plugins 6.
Browser plugins
Browser plugins