Summarize this article in one sentence.
But first, allow the paint a minimum of 24 hours to dry and set. Then you should use 220-grit sandpaper to lightly sand your finished paint job. This will give a uniform finish to the board and remove any irregularities from it. Once you have finished sanding, wipe free the sawdust with a damp, lint/fuzz free rag/t-shirt. Wait 15 minutes, and then remove the tape on the sides/top of your board. Reattach your trucks and your design is done!

Summary:
Smooth the finished design.