pencils: H, 4H, mech pencils
time: 2 hours

pencils: H, H4, HB, mech pencils
time: ~ 3 hours
format: A4

pencils: H, 4H, B1, HB, mech pencil
format: A4
time: around 2 hours

format: A4
pencils: HB, 4H, 0.3mm
tortillon, tissue, kneading eraser, eraser pencil
time: 2 hours