www.video-tutorials.net – In this video, I show you how to create arrays, which are groups of geometric entities. Generally you’d use an array to create a pattern, like a linear or circular pattern. The polar array is how you’d create a circular pattern, for example, in designing a propellor or fan. If you need to get productive right away in AutoCAD, invest in this inexpensive course; it’s thorough and concise. All part files are included.