Features includes things like doors, windows, stairs. The principle of all of them is not that hard, once you know how.
Windows and doors are essential for both light and breeze, not to mention access. You want to position them for maximum gain.
Stairs can be made out of metal, wood, concrete, bricks, dirt. Depends on what you want and where you want it.
Copyright by VelaCreations 2012. All rights reserved.