Hello Friends , Since last many years we are using Autocad for Drawings and SketchUp for 3d modelling and presentation . When I was in college , I started using SketchUp for my college submission and presentations . That time SketchUp was a free version and with basic tool . but at that time it was the only software available to make 3d model and images , off course , 3d max was there., but still SketchUp is far easier , convenient and fast to use . We were so happy and impressed with SketchUp ..! So , everyone was using SketchUp ..!! 3d components and model are easily available on internet . then google bought the it and still it was free to use software . In 2012 , Trimble purchased SketchUp from Google and since then it became paid software. So , After that I was looking for an Alternative for Sketchup..! and I found this Pcon Planner ..!! and now , I'm in love with Pcon Planner ..! Its so easy and convenient to use it , and it has all the function an Architect...