draw with sketch paper and carbon pen. Doctor beak of scp Foundation should draw with sketch paper and carbon pen. First of all, the gene of scp will be Dr. Bird's Mouth. Its image quality is not very complicated, and it doesn't need too much tension. Simply showing the effect is better, so ordinary a4 paper can be used. Then use a carbon pen to make it thinner and 1.5 thick. The black flower on the other side is better.