Make a contour of a helmet from a black and white picture

mandala background, mandala, lowers, text, error, poorly draw, cropped, worst quality, low quality, jpeg artifacts, ugly, duplicate, morbid, mutilated, out of frame, extra fingers, mutated hands, poorly drawn hands, poorly drawn face, mutation, extradeformed , blurry, dehydrated, bad anatomy, bad proportions, extra limbs, cloned face, disfigured, gross proportions, malformed limbs, missing legs, extra arms, extra legs, fused fingers, too many fingers, long neck, bad eyes, username, shades