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January 28, 2016 AT 8:00 am

3D Printed Halo Energy Sword #3DThursday #3DPrinting

Master the legacy weapon of the Covenant! In this project we’re making a 3D Printed Energy Sword from the Halo video game series. Inside the blades are NeoPixel LEDs which are connected to an Adafruit Feather BLE 32u4 micro-controller.

A 2000mAh lipo battery will provide several hours of energy and can be recharged over USB.The blade is 86cm (34in) tall and the whole sword weighs just under 1 pound.

You can connect to the Adafruit Feather through Bluetooth. The Adafruit Bluefruit LE Connect app for iOS or Android lets you change the animation or color of the LEDs.


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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

Featured Products

Adafruit Feather 32u4 Bluefruit LE

Adafruit Feather 32u4 Bluefruit LE
Feather is the new development board from Adafruit, and like it’s namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores.

This is the Adafruit Feather 32u4 Bluefruit – our take on an ‘all-in-one’ Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an Adafruit Feather 32u4 with a BTLE module, ready to rock! We have other boards in the Feather family, check’em out here.

The Ultimaker 2

Ultimaker 2 - 3D Printer
The Ultimaker 2 is one of our favorite 3D printers on the market. It’s a well-built open-source compact machine with an excellent UX. Every inch of the Ultimaker 2 is designed to create the most effortless and reliable 3D printing experience ever!


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