Etch-a-sketch computer By John BaichtalJohn BaichtalMy interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net View more articles by John Baichtal @johnbaichtal February 1st, 2011 Via Hacked Gadgets, Martin Raynsford created this etch-a-sketch computer that uses the white control knobs to navigate instead of a mouse — he reused the X and Y axis rollers of a trackball, and you press down on a button in lieu of a mouse click. Tagged Mods By John BaichtalJohn BaichtalMy interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net View more articles by John Baichtal @johnbaichtal Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New ArrivalsMaker Faire Event Hats$30.00Make: Skill Seeker Maker Workbook - Print$16.99Lil' Makey Plushie$10.00 Get Make: Magazine $19.99