Trimble ® (Nasdaq: TRMB) today announced that its SketchUp ® 3D modeling software surpassed one million active subscribers.
Discover powerful SketchUp extensions for architecture that automate tasks, improve accuracy, and elevate your 3D modeling ...
For this kind of work, I like SketchUp. While the free, web-based version does have imitated functionality, it's still robust enough for most DIY projects. Another option is Lowe's 3D Kitchen Design.