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Skill Builder — Finishing and Post-Processing Your 3D Printed Objects
Friction-weld, rivet, sand, paint — arm yourself with simple tools and techniques to take your desktop 3D printer to the next level.

How-To: Professional Perfboards
In this tutorial, you will learn to print layout templates and silkscreens onto perfboard. This will make populating as well as soldering a lot easier PLUS it looks professional.

Messenger Bag
Make a messenger bag for your trips around town. (Also works great as a diaper bag.)

Use a Common Anode RGB LED
This is a quick tutorial on how to fade between colors with an Arduino and Common Anode RGB LED.

RGB Liquid Crystal Display Tutorial
Plug your LCD into an Arduino and experiment with it.

People Furniture to Plant Furniture
Six dining chairs re-purposed into seven plant holders.

Origami Eifel Star
Make the origami Eiffel Star designed by Hans-Werner Guth.

Aquaponics – Online Temperature and Humidity
The project uses the DHT22 sensor to monitor temperature and relative humidity in an aquaponics system. The data is uploaded to a bare-bones application on Google App Engine and visualized with Google Chart Tools.

Rocket-Propelled Toy Car
This toy car, made from LEGOs, is powered by a blown-up balloon and uses the principle of rocket propulsion.

PVC Video Camera Stabilizer
Capture better video with a simple, inexpensive camera stabilizer made from ordinary PVC pipe.

Airsoft Gun Target Holder & BB Catch
Build an Airsoft gun target and BB catch to save your walls from destruction and to improve your accuracy.

Protect Header Pins During Transport
Arduino shields are vital, yet their header pins tend to complicate easy storage and transport, and can sometimes be just too pokey. This guide shows a quick fix for the problem by using a rigid Davey binding board and affixing a plastic foam topping.