Product Comp #1 - Marker Overlay 

Product Comp #1 - Under Drawing. Black and blue colored pencils on paper. 

Product Comp #2 - Marker Overlay

Product Comp #2 - Under Drawing. Black and blue colored pencils on paper. 

Product Comp #3 - Marker Overlay 

Product Comp #3 - Under Drawing. Black and blue colored pencils on paper. 

Two subtractive cube designs, rotated. Viewed from three angles; in diametric, isometric, and trimetric views. Black and blue colored pencils on paper. 

Roll-Bot 'Tinker Toy' marker overlay in perspective with orthographics. 

Under Drawing of Roll-Bot in perspective, with orthographics. Black and blue colored pencils on paper. 

Mechanical Animal - Clown Fish Water Bike, marker overlay in perspective. 

Clown Fish Water Bike, under drawing with ribs, stringers and internal structures, in perspective. Black and blue colored pencils on paper.