PrimoGraf: laser-cut hyper-Spirograph

LeafPDX's PrimoGraf is a $150, laser-cut hyper-Spirograph-like device that makes extremely lovely, intense geometric doodles in infinite variety.

The PrimoGraf is a hand cranked drawing machine. Using wooden gears with prime number based gears an infinite array of drawings can be made. It comes complete with 7 gears, 2 set of rods and penholders so you can create many variations. Different setups can be achieved instantly by simply picking different holes. Made of walnut, basswood, and solid brass and hand crafted in Portland, Oregon.

PrimoGraf Drawing Machine (Thanks, DugNorth!)

I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.

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joelphillips

Combinatorially large, yes, but infinite? The connectors appear to be discrete so only if you count partial drawings.
Anonymous

that video seriously should have had the theme music from Flight Of The Navigator on it..

-MilkMiruku
Drang

A cute idea, and no doubt challenging and fun to build, but I can’t help but think that a real 60s-vintage Spirograph (which seem to go for about $50 on eBay) would be a lot more fun to draw with.
caffeine addict

Seconding joelphillips – I don’t think Infinite means what you think it means.

I’m not sure how “handcrafted” a set of laser cut gears is either…
Kaleberg

I had a drawing toy a lot like that back in the 1960s, except it had a large middle gear that held the drawing surface. It had those adjustable pantograph arms and was made of cheap metal. I remember the name Grand Mufti with a picture of what I thought was a genii next to it. Needless to say, I’ve never seen one since, but it had a lot more flexibility than my Spirograph.