Archive for the ‘3D Printing’ Category

Make your own 3D-printed sonic tractor beam with Arduino

Tuesday, January 3rd, 2017

From magic to science, man has long dreamed about being able to manipulate objects from a distance. People have been able to push something using air or even sound waves for a while, but University of Bristol researcher Asier Marzo and colleagues have come up with a 3D-printable device that can not only repel small items, but can also attract them to the source.

It does this using an array of sound transducers arranged in a dome shape at the end of a wand. The acoustic tractor beam is also equipped with an Arduino Nano, a motor controller board, a DC-DC converter, and a LiPo battery, among some other easily accessible components.

Basically, an Arduino will generate 4 half-square signals at 5Vpp 40kHz with different phases. These signals get amplified to 25Vpp by the motor driver and fed into the transducers. A button pad can be used to change the phases so that the particle moves up and down. A battery (7.3V) powers the Arduino and the logic part of the motor driver. A DC-DC converter steps-up the 7.3V to 25V for the motor driver.

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This 3D-printed bionic hand can replace or support a limb

Monday, January 2nd, 2017

3D-printed appendages are, as one might suspect, generally meant for those that are missing a limb. Moreover, there are many other people that might retain partial functionality of a hand, but could still use assistance.

Youbionic’s beautifully 3D-printed, myoelectric prosthesis is envisioned for either application, capable of being controlled by muscle contraction as if it were a real body part.

As seen in the video below, the Youbionic hand can manipulate many different items, including a small box, a water bottle, and a set of keys. Functionality aside, the movement is extremely fluid and the smooth black finish really makes it look great.

The device is currently equipped with an Arduino Micro, servos, various sensors, a battery pack, and a few switches. Even the breadboard appears to be very neat, though one would suspect the final version will use some sort of PCB.

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RooBee One is an open-source SLA/DLP 3D printer

Monday, January 2nd, 2017

Aldric Negrier, a Portuguese Maker and owner of RepRap Algarve, has created an SLA 3D printer named RooBee One.

Most desktop 3D printers that you’ll see in Makerspaces or advertised for home use drop material onto a bed using a hot extrusion head. The open-source RooBee One, however, employs a DLP projector along with an Arduino Mega to light up each layer in a vat of resin. This causes each layer to solidify, thus making a complete object. You can see this process at around 0:30 in the video below. (more…)

Adding an “extra sense” with rangefinders

Thursday, December 1st, 2016

Using ultrasonic sensors attached to a person’s arm, researchers have found a way to let you “feel” distant objects.

The concept of this project is surprisingly simple, but as shown in the test video below, seems to work quite well. Using an Arduino Uno to coordinate everything, when rangefinders see a nearby object, like a wall, the system triggers the corresponding vibrators. This allows someone to sense what is nearby without seeing or touching it.

An obvious use case for something like this would be to help visually-impaired people navigate. Perhaps it could also serve in an application where you need to pay attention to something you can’t quite see, sort of like how an animal’s whiskers warn them of danger before contact is made. (more…)

Harry Potter fans create a fully-functioning smart wand

Monday, November 28th, 2016

In the Harry Potter series, a Muggle is a person who lacks any sort of magical ability. Growing up reading these books, one can only imagine what it would be like to cast spells using a wand. Well, wonder no more as a group of NYC Muggles decided to build their own smart wand that can ‘magically’ control devices over Wi-Fi.

The 3D-printed wand is equipped with a voice recognition module that lets users cast spells of their own with a flick of the wrist, like ordering takeout from delivery.com, turning the lights on and off, as well as playing and silencing music.

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A 3D-printed lunar phase clock for your nightstand

Wednesday, November 23rd, 2016

“Since there isn’t a supermoon everyday, make one for your bedside table!” This is exactly what G4lile0 set out to do using a 3D printer, an Arduino and some open-source tools.

The result was a moon phase clock consisting of a 3D-printed model and an LED strip to create the lunar phases. The lights are driven by an Arduino that precisely calculates which phase to show, as well as controls a 0.96″ OLED display revealing the date and time. Other electronics include an RTC module, a DTH11 sensor, a buzzer, and three push buttons.

The clock also features several modes, including an alarm, a wake-up light, a lamp, a thermometer, and a hygrometer. It can even help set the mood or start your next lunar rave with its relaxation and party-like special effects. (more…)

An awesome 3D-printed Daft Punk helmet

Monday, November 14th, 2016

Though it’s been done before, this 3D-printed Thomas Bangalter helmet is absolutely amazing!

Daft Punk hasn’t toured in over a decade, but their music and general look seems to be becoming more and more popular. Perhaps this is due, in some small part, to the fact that Makers can now build a very good replica of their iconic helmets. Though the design for this helmet is available for download, looking at a design and building it are two different things.

In addition to printing and finishing this prop (no small task), redditor “CrazyElectrum” did quite a bit of soldering. Getting all the electronic components to “play nice” with each other certainly took a good amount of work as well! (more…)

Become a pinball wizard on this 3D-printed machine

Monday, November 7th, 2016

“Tony the Pinball Wizard” has successfully 3D-printed a fully-functional pinball machine.

The retired software engineer provides a detailed writeup, beginning with pinball’s roots in the 1700s to its eventual fall from popularity in the 1990s and 2000s. If you find this interesting, you could likely pick one up on Craigslist, but Tony instead decided to build his own.

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A 3D-printed reimagined Game Boy prototype

Thursday, October 6th, 2016

With a shape reminiscent of a Game Gear, revised controls and hardware, Anthony Campusano’s rig looks extremely fun!

As reported on 3DPrint.com, Campusano’s Game Boy-inspired prototype was quite the crowd-pleaser at World Maker Faire in New York. Although wider than it is tall (like most portables to follow), and with many more buttons, this handheld console still screams “original Game Boy.” Perhaps this is because of its color scheme, or even the angle of the buttons. (more…)

Connected question mark hopes to spark 1 million conversations

Wednesday, September 7th, 2016

Suicide prevention charity R U OK? has partnered with digital innovation agency Fusion to create a fully-connected device in the form of a question mark with hopes of sparking a million conversations throughout Australia. Similar to the Olympic Torch, Quentin will be passed from person to person as it makes its way from town to town starting on Thursday, September 8th.

But unlike the Olympic Torch, the route is not planned. Instead, the journey is determined by the challenge it issues to each new keeper motivating them to reconnect face-to-face with people in their lives. (more…)

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