14 Jan 12, 12:56AM
Where are you copy and pasting to?
You may not be copy and pasting all of the right cubes, and pasting too close together. Try expanding your C+P by one cube on each side (so if you had a 3x3 selection, make it a 5x5)
You may not be copy and pasting all of the right cubes, and pasting too close together. Try expanding your C+P by one cube on each side (so if you had a 3x3 selection, make it a 5x5)