Sketch Piston 3 is a promotion site that was produced for Nippon Television Corporation (NTV).

The site features the character "Da Bear", who has just joined NTV, together with the Sketch Piston character "Samurai Salaryman " in an imaginery world.

Use the stamp tools, such as the TV, balloon, bouncing ball, tree etc., and draw with the action lines, such as the trampoline line, and the sliding line, to create your own imaginery fun worlds.

Sketch Piston 3 was released as part of the Nippon Television Site on the 9th of July 2009.