Ad 221 Ad 221 from Byron Johnson AD 221 20 min. Hammer Concept Concept Studio Usb Render USB - USB with cloud storage of data backups. locate lost USB within 25 feet. Instant backups via wifi connection. Footwear Rendering - footwear sketches, design & layout for a lightweight running shoe. Knife concepts - sketches View PDF glass Marker concept Knife Design Presentation - blades & sets, knife block,ideation,research Luggage Concept - luggage design render Footwear Concept - footwear category research and ideation and render. Grill concept - grill with convection oven gLike AD 221 20 min. Hammer Concept Industrial Design Share R 7 n Byron Johnson Chicago, IL Follow Contact