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Watch the instructions video HERE

In the video we laser cut a reciprocating rack and pinion gear system using our laser engraver / cutter.

This latest Invention Therapy DIY project, we show you how to build this cool gear system. It is a great DIY project for science fairs, school projects or simply for fun.

Step 1: Materials Needed

Items needed for this build:

1 piece 2' X 2' .188" (5mm) MDF chalkboard. (available at Home Depot or Lowes)

1 piece 12" X 6" .160" (4mm) acrylic (optional, 5mm MDF can be used for all parts)

1 piece 1.0" (25.4mm) long, 3/8" diameter wood dowel

1 piece 2.5" (64mm) long, 3/8" diameter wood dowel

wood glue

Step 2: Laser Cut All Parts in the Three DXF Files

Most of the parts should be made of .188" (5mm) MDF

The rack works bests when made of .160" (4mm) acrylic but can also be made from 5mm MDF

Step 3: Assemble As Shown in Our Video.

All cutting and assembly instructions can be easily viewed in our video.

In the video we laser cut a reciprocating rack and pinion gear system using our laser engraver / cutter.

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http://www.soundlazer.com

http://www.soniclevitation.com

http://www.soundlazer.com

<p>I love it but I will have to cut it the old fashioned way.</p>
<p>That looks good :)</p>

About This Instructable

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Bio: Invention Therapy is the show where we teach you how to get those invention ideas out of your head and turn them into a reality.
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