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Do you remember playing with the Spirograph as a kid? You know, the funny gear cogs you used with a pen to create endless drawings of mesmerizing quality?

Well this pretty little bot accomplishes virtually the same thing, and it's really not that hard to build. If you are a Lego fan of any variety, you will probably have all the pieces you need. The one exception may be the electric motor (Power Functions) and the "Turntable" which are slightly more rare parts.

Practical Uses:
> Entertainment (both building and watching!)
> Decoration (hand-made cards, wall decor, etc

Step 1: What You Will Need

  • Pen that flows easily (gel, thin felt, etc) or a pencil for sketches
  • Paper
  • Scissors
  • Lego Components (I can't go into too much detail but here is the summary)
    • Power Functions motor and battery box
    • Technic Turntable
    • Beams, axels, and pins of various sizes
    • 6 Technic wheels for feet
    • Several Lego Technic Gears as well as toothed gears

Step 2: Base Structure

Step 3: Gear-Down Motor Module

Step 4: Primary Gear Box

Step 5: Artistic Arms

Step 6: Paper Platform

Step 7: Assemble Modules

Step 8: Spiro, Go! (And Other Ideas)

Remove the cap from your pen, place it on the page, and start your engines!

Watch it work, and soon you will have a beautiful art piece to use as you please.

Other Ideas:

> You can change what gears you use to change the speed of the arms and base, and thus you will alter the shape of your spirographic drawing. If the arms move faster, there will be more circles drawn closer together as the base spins the same.

> You can change the size of the circles drawn by the arms by moving the point of rotation further from the axis.

Step 9: Pantograph Modification

The Spirographer can be modified to create more interesting designs using a pantograph for arms.

Note, I also switched the technic gears inside the gear box so the 2 axis rotate opposite directions.

Video coming soon!

Step 10: Have Fun!

<p>wonderful, i like your paper hold downs.</p>
<p>Hey guys, if you like this, check out my Lego Multigraph!</p><p>https://www.instructables.com/id/How-to-Build-a-Robotic-Lego-Multigraph-V10/</p>
<p>Thanks, that's very encouraging!</p>
Cool ! I have the turntable but not the power functions :( I'd make it without lego
<p>You could hook up a little electric motor and make it work! <br>Yeah I'm a big LEGO fan but there are definitely other mediums you could work with.</p>
perfect
Thanks so much! Just wait till I launch my next iteration of this concept! I've nearly finished it.
<p>This is amazing! The designs it makes are beautiful!</p>

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