AEON7 Republic Science Institute. Concept for a building/complex from the browser game our studio is working on, here's our FB page [link]
This is meant to be displayed at 700px, don't mind the hard strokes.
This was a little tricky because I had to measure the circles and put them in the right perspective, those three were to be the same size. It was done a month or two back, it helped me learn to apply some useful perspective and construction stuff. No 3D helpers used here. I think it's crucial to know perspective without using 3D.
Made in Photoshop.
There will probably be a little more work on this, but for now, that's it, we have a lot of work to do.