pencil drawing, circuit board shaped like human skull, front lighting, detailed shadows, left top front view
pencil drawing, human skull circuit board, CPU implanted, front lighting, detailed shadows, left top front view
pencil drawing, human skull merged with small silicon chipset on top, front lighting, raytracing detailed shadows, diagonal front view
pencil drawing, human skull with small silicon chipset on top, front lighting, detailed shadows, left top front view
pencil drawing, human skull with small silicon circuit on top, front lighting, detailed shadows, left top front view
pencil drawing, human skull CPU implanted, front lighting, detailed shadows, left top front view
Low detail skull, silicon cpu, left side implant, sketch style, b&w render
Low detail skull, silicon cpu chip side implent, sketch style, monochrome render
Skull chipset implanted, monochrome render, low detail, dotwork
Skull chipset implanted, monochrome render, tatoo artwork