I am finishing graphics for my settlement plan and I am having some issues with shadows. Basicly all I wanna do is just move objects about 4 meters in 45° angle. Is there a way to make a "step" free blend and expand to one shape so I can manipulate appearance easier or any way to make simple shape?
You could expand the blend (Object > Expand Apperance...), ungroup it and then unite all shapes in it into a single shape using the Pathfinder palette. If you then give that shape a gradient fill, you should have your effect.