I am rendering models of the objects in Blender, but the problem is the lighting. I tried using a point lamp or a hemi lamp, but both give shadows, so that the cubes actually look 3D, which makes sense. I tried deleting the light source but then my cubes are just all black, which also makes sense, but is not what I need.
How can I render my cubes to have only one color for every side?
EDIT: @martins answer solves my problem with the different colors, but now the edges are blurry. How could I fix that?