what graphics program allows you to create a 3D space?

I'm looking for a program that would allow me to design the interior of my bedroom, any suggestions?

Public Comments

1. sketchup by google. it's free, and works just great.
2. Autodesk Civil 3D
3. U can use these softwares to desing 3D space 1. Autocad 2. MDT mechanical Desktop 3. ideas 4. unigraphics Good Luck!!!!!!11
4. I used AutoCAD and Catia in college. Both have 3D capability and Catia makes very realistic pictures