First you prepare before the damage with the sandpaper. Rau make the subsoil is important so that the material adheres well later.
You light the lighter to the candle. be careful not to light when too much carbon to produce.
Candle constantly rotate to keep the flame low. Once the flame deflects produces soot. Then you do not clean drop but black particles with it.
Then allowed to the material about 10 -15min harden and then begins with a razor blade to scrape the material until it reaches the level of the board.
