[ He feels that poke on his back and turns around, meeting Senku's grin with a serious expression. He knows exactly what this is about the moment he glances down at the offering. ]

...Thank you. You work fast. [ But did Roland expect anything less from a boy who seemingly sent a rocket to space, on his own? He unfolds the paper and reads it intently. His eyes grow wide, highly impressed. ] This is amazing. There's little room for error. Even the design seems ergonomic as opposed to what I had in mind.