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SparkRover Open Source 3D Printable Robotic Rover

SparkRover is an open source rover powered with Arduino with Bluetooth connectivity so it can be controlled with a smartphone. Its structure and wheels are 3d printed.
It was developed by Instructables user Dominick Lee who described the main areas where this small rover can be used:

Robotics Learning Platform
GoPro Automatic Camera Dolly
Panorama Camera Assistant
Maze Solving Robot
Robot Racing

SparkRover parts list:

3D Printed Parts (1x - SparkRover Chasis, 1x - Cover for the Chasis, 2x - Front Wheel, 2x - Back Wheel)
2x of 55mm O-Rings
2x of Futaba S3003 Servo pack (contains a servo, servo horns, screws, etc.)
HC05 Bluetooth module
Arduino Nano v3
26 AWG stranded wire (or jumper wires)
Push button latch switch
Small 3.7v LiPo battery
3.7v to 5v Step-Up chip
Ultrasonic sensor

Detailed construction guide, .stl files and guidance software can be found at:

http://www.instructables.com/id/SparkRover-3D-Printed-Smartphone-Controlled-Robot/?ALLSTEPS

Zowi Open Source 3D Printed Robot

Zowi is an open source robot developed by Javier Isabel. It is small, simple and cheap to make so it's ideal for education. Since it uses an Arduino or a simillar controller it is very hackable and programmable.

It uses the following vitamins:

4 Futaba 3003 servos or compatibles
6 M3x10 Bolts (ISO 4762)
2 M3x10 Bolts (ISO 10642)
8 M3x12 Bolts (ISO 4762)
8 M3x16 Bolts (ISO 4762)
22 M3 nuts (ISO 4032)
1 BQ ZUM BT328 or Arduino
4 x 2 AAA Battery holder
8 AAA bateries

All the files and instructions to make it can be found at:

https://github.com/bqlabs/zowi

Different modifications and designs submitted by the community can be found at:

https://github.com/bqlabs/zowi/tree/master/mods/

One of the visually more interesting modifications developed by the community

Zowi is further development of BOB robot.

3D Printable Dactyl Ergonomic Keyboard

Matt Adareth developed and released his "Dactyl" ergonomic keyboard under CC license. This open source keyboard is described as “parameterized, split-hand, concave, columnar, ergonomic keyboard.”
As you can see it was 3d printed on a SLS machine but it could be probably made using other machines with some adjustments.

You can see a very interesting presentation by Matt about keyboard design and 3d printing at:

https://www.youtube.com/watch?v=uk3A41U0iO4 (video is not embedable). It is also great to watch if you are into more advanced OpenSCAD environment development.

All the files for it can be found here:

https://github.com/adereth/dactyl-keyboard

Here is a Reddit thread about it:

https://www.reddit.com/r/MechanicalKeyboards/comments/3vf29t/open_source_release_of_dactyl_keyboard_code/

CowTech Ciclop $99 Open Source 3D Scanner

CowTech Ciclop is a cool new $99 Open Source 3D scanner with many 3d printable components. The developers are Kickstarteing the project but it is open sourced so you will be able to make one yourself.

KS video presentation:

Go and check their Kickstarter campaign which is very successful:

https://www.kickstarter.com/projects/701089851/cowtech-ciclop-99-open-source-3d-scanner

3D Printable Ocean Sensor Buoy

As I live near Danube and Drava (Drau) rivers in Croatia I wanted to explore possibilities to measure environmental data and make them publicly available. As I searched around for DIY or open source sensor projects I found this one which wants to develop open source ocean weather buoy with 3d printable hull. It looks like the project development is in some kind of pause but the idea behind it looks solid and one can get many useful details out of it.

The sensor pack sphere is made from two 3d printed parts, one can be transparent if you want to have small solar photo-voltaic cell power source. There is also a pressure equalization valve installed since the internal pressure changes due to water pressure, temperature and movement so it allows air to to move but prevents water from entering.

My plan is to cooperate with local HackLab and Croatian, Hungarian and Serbian environmental NGOs and see if we can use it to track river water data (temperature, flow, pH, UV radiation, noise, particles etc). I'll still need to research some low cost water quality sensors. If we deploy few of them in Danube they could even reach the Black Sea.

Buoy in scale to human hand, you can clearly see the antenna for cellular or data connection. It could probably be used for different bands if you use it in open waters, there are many low power solutions even with satellite communications and Arduino.

Buoy modules and parts overview:

Early prototype:

Project homepage with development blog and .STL files:

https://opensourceoceanweatherbuoy.wordpress.com/

LaserWeb Open Source Laser Cutter Control Software

LaserWeb is powerful open source laser cutter and engraver control software. Perfect choice for your self-build laser cutter or upgrading a cheap Chinese Co2 laser device.

LaserWeb description and features:

Node.js based, Windows/Linux/Mac/Raspberry Pi/Vagrant supported, host software for Lasercutters/Engravers running Marlin/Smoothieware/Grbl/LasaurGrbl with integrated parametric Gcode generators, Raster support, as well as Raster and Vector Engraving. SVG and DXF supported for cutting, PNG, BMP, JPEG support for raster engraving.

It works on all platforms from Windows, OsX, various linux distros and Raspberry Pi.

Here is a demo video:

GitHub repository:

https://github.com/openhardwarecoza/LaserWeb

ESP8266 Controlled Kame 3D Printed Quadruped Robot

Kame is an open source small four-legged robot which is controlled by ESP8266 WiFi module. It has 8 servos with two motors per leg and a small LiPo battery. ESP8266 module is very cheap and this project could be ideal for a educational setting and various experiments.

Kame can walk:

Kame can jump:

Kame Thingiverse page with all the files:

https://www.thingiverse.com/thing:1265766

Full FreeCAD files and code is also available at:

https://github.com/bqlabs/miniKame

Hovalin Open Source 3D Printable Violin

Hovalin is a 3d printable violin which sounds great and is almost fully 3d printed on a common FDM machine in PLA. The neck is reinforced with carbon truss rods and with all the parts like strings costs some 70 USD to make.

Hovalin homepage:

http://www.hovalin.com/

Imgur photo log:

Mom's Hovalin

How To Design a Chainring Using Open Source Tools

Rich Olson has another great tutorial on how to design and make chainrings using open source software and low cost CNC.

Here is the link to original post with all the tools and scripts needed:

http://www.nothinglabs.com/chainringgen-making-a-chainring-with-open-source-software/

Rich makes a chainring for his bicycle but they have different uses in power transmission. Beside metal they can be also made on a small CNC from other materials like carbon fiber.

Finished carbon plate chainring for a custom bicycle:

Retro Populator open source kit will turn your 3d printer into pick and place machine for home manufacturing

Retro Populator is an open source project by Eric Boyd that developed a kit for your 3d printer to convert it into pick and place machine suitable for small scale home electronics manufacturing.

Project description from hackaday.io:

A jig and software for allowing a 3D printer to do electronics pick-n-place assembly. It populates boards, by retrofitting a 3D printer, hence Retro Populator.

Motivation: surface mount soldering is great, but the process of placing parts is tedious and requires great manual dexterity as well good vision. Doing a few boards by hand is practical, but doing more than about 20 is hell on earth. Yet it's not practical (read: affordable) to pay industry to do it until about 500 boards - the setup charges just kill you. So there is this huge chasm between what's doable for hobbyists by hand, and where industry can take over, and this volume is commonly desired in the maker community - a small run of 50 to 100 boards is in fact typical. Thus, the desire to build machines that hobbyists can own to do electronics pick-n-place. Our cost-saving idea is to retrofit similar machines that makers already own: 3D printers.

Team:
Rob Gilson
Adam Evenden
Charles Hartlaub
Eric Boyd

There are several versions of Retro Populator being developed:

Version 1.0 : Essentially complete now. CNC milled acrylic base plate, with milled tape holders. Vacuum syringe for picking up parts, vacuum supplied by SMT rework station. Milled nozzle mount which attaches to the side of the existing extruder. Z-axis rezero jig to easily change re-zero height. 3D printed cam-lock parts to holds boards in place on 10mm peg-grid base. Code parses a yml file for board & tape placement info, and then an eagle .brd file directly for part types and locations. It generate a gcode file which goes from pick to place location for all of the parts which can be populated. Support for
multiple boards.

Version 2.0: currently in planning/design. Addition of tape advancement, including plastic cover peeling. Addition of a second nozzle which will do solder paste dispensing. Software will have 'position confirm' feature where it will move to the corner of each board, and the first component on each tape, so that you can verify key locations directly before running the entire job.

Version 3.0: part rotation. Numerous other things we'll learn about as we do V2.0, no doubt...

Detailed information and instructions:
http://hackaday.io/project/1605-Retro-Populator

Mind map and overview of the project in pdf format:

http://sensebridge.net/files/RetroPopulatorMap_V101.pdf

Maybe we will soon have thousands of small electronics factories in garages competing with corporate sector ...
But first who should be afraid of this competition are companies like Adafruit ... they are in the same market as those "hobbyists" ...

RepRapWeb open source software will control your 3d printers remotely via Raspberry Pi

RepRapWeb is a fully functional open source 3d printer controller software UI which runs over http web protocol on Raspberry Pi. It is developed by Andrew Hodel. It has some interesting features.
RepRapWeb features:

Free - Licensed under the Affero General Public License (AGPL)
Includes Slicing Software - Convert STL -> GCODE all within the same interface using CuraEngine or Slic3r
Nothing to install on your computer - Runs completely on Raspberry Pi, use any computer from anywhere to control it
Wireless Networking - Ethernet and 802.11 Wireless Connectivity for your printer
STL Visualizer - View your prints before you print them
Multi Printer Support - Control as many printers as you have USB ports all within the same interface
Complete Printer Control - Pause and unpause your prints in realtime, set and view temperatures and control movements
Auto Level Support - Includes support for printers which support Autolevel.
Fast - Quick and responsive interface, almost immediate slicing with CuraEngine

http://xyzbots.com/reprapweb.html

GitHub repository: https://github.com/andrewhodel/reprapweb

Ghost Gunner is a desktop weapon making CNC that will raise a lot of controversy and fear mongering

Defense Distributed know for their work on 3d printed guns released the Ghost Gunner. It is a small simplified desktop CNC machine that can finish a specific type of metal gun receiver. The controversy is that the receiver is the only gun part that is tracked in USA. Other parts to finish the complete gun one can purchase freely in the USA. Media is already hyping this news as "machine that is producing METAL guns untraceable by law enforcement". So few things to consider before panicking:

Everything this machine does can be made by hand easily with simple power tools
The machine development is closely linked to USA law and gun part market, since other countries have different definitions of what a traceable gun part is.
A change in the law, for example: making gun barrels traceable also can make it completely obsolete. Granted, someone can then develop open source gun barrel maker (which is much more complex then this CNC) ... even so, most of countries have much stricter gun laws then USA
CNC machines that can perform all this functions are available on the market for decades with slightly higher prices (which will drop in the future anyway)

It will be interesting to watch how this technology develops in the future and how will the lawmakers and media react to it. It will be also interesting to see how will the usage scenarios develop.
This machine makes only one thing now from semi-finished aluminum object, but it looks like it could be programmed to make other designs so DIY gunsmithing ecosystem could emerge.

Ghost Gunner technical specifications:

Machinable dimensions: 175 x 75 x 60mm (~6.75 x 2.95 x 2.35")
Maximum part dimensions: 230 x 90 x 100mm (~9.05 x 3.50 x 3.90")
Overall footprint: 330 x 280mm (~13 x 11")
Weight: 20kg (~45 pounds)
Spindle Speed: 10,000+ RPM (Final Value TBD)
Requirements: Windows 7 or higher. Mac version TBD.
Price: in 1199 USD range

https://ghostgunner.net/

About Ghost Gunner from their page:

Ghost Gunner is a non-profit open source hardware effort by Defense Distributed. Ghost Gunner builds on the open source community's existing hard work, including the gshield 3 axis motion hardware, the grbl g-code parser and motion controller, and the legendary Arduino microcontroller. All GhostGunner schematics and design files will be published into the public domain. Defense Distributed decided to build our own machine from the ground up. We found existing CNC machines too expensive, too DIY, or too inaccurate to manufacture firearms for the casual user. By miniaturizing the build envelope to just large enough to mill common firearm receivers, we were able to improve rigidity, reduce material cost and simultaneously relax some design limits, allowing us to sell an inexpensive machine with more than enough accuracy to manufacture firearms.

Ghost Gunner has undergone several design revisions to reduce machine chatter, backlash, and jitter, all with the goal of keeping total design cost low. Rather than using plastic, wood, or even an aluminum frame, Ghost Gunner is constructed with maximally rigid plasma-cut A36 steel and 304 stainless steel. In addition, the machine part count is greatly reduced compared to a traditional CNC, which both increases rigidity and further decreases cost. The end result is a small, cheap, and simple machine that exceeds most consumer-priced CNC machine specifications.

Ghost Gunner is a miniature CNC machine designed to automatically manufacture publicy created designs with nearly zero user interaction. No prior CNC knowledge or experience is required to manufacture from design files. Defense Distributed's first design is the venerable AR-15 lower receiver. Ghost Gunner automatically finds and aligns your 80% lower receiver to the machine, with simple installation instructions, point and click software and all required tools. Just follow a few simple instructions to mount your 80% lower receiver, tighten a couple screws (with simple tools we provide), and on day one, Ghost Gunner can help you legally manufacture unserialized firearms in the comfort of your own home.

As shipped, Ghost Gunner can manufacture any mil-spec 80% AR-15 lower receiver that already has the rear take down well milled out. Lowers with non-mil-spec trigger guards that are otherwise mil-spec are also compatible.

Ghost Gunner is capable of manufacturing more than just firearm receivers. With Defense Distributed's open source Physibles Development SDK (pDev), designers can distribute files via our '.dd' file format, which contains all installation and assembly instructions, any required jig files to hold the part in place (that users can print with a 3D printer), and all machine definitions and code to physically manufacture a particular design.
To a casual user, the .dd file is a one-stop solution to manufacturing any aluminum physible that the public can design to fit into the build envelope. Defense Distributed will be developing in and supporting this format, and we are happy to publish your own innovations and contributions.

Here is more detailed analysis by Firearm blog if you are interested in guns:

http://www.thefirearmblog.com/blog/2014/10/02/thoughts-defense-distributed-ghost-gunner/

Rifle receiver made by Ghost Gunner, source: ghostgunner.net

Update (24.2.2015.):

FedEx refuses to ship and deliver Ghost Gunner and they claim it is not regulated by law:

http://reason.com/blog/2015/02/23/cody-wilsons-ghost-gunner-banned-by-fede

Development of KORUZA 3d printable laser wireless system

KORUZA is open source laser wireless communication device. It can reach 1Gbs network speeds on 100m range. The casing and mount are 3d printable.

Here are the updates and call to participate in worldwide experiment:

If you want to participate in development and testing:

https://dev.wlan-si.net/wiki/KORUZA/WorldWideExperiment

Project homepage:

https://dev.wlan-si.net/wiki/KORUZA

First post about KORUZA:

http://diy3dprinting.blogspot.com/2013/08/koruza-using-diy-3d-printing-for-laser.html

You go Musti! And YOu dear reader go and help my Slovenian neighbors!

Musti uses TroubleMaker 3d printer, which is improved Ultimaker derivative.

Printednest 3d printed nests for city birds

Printednest wants to give birds 3d printed nests inside cities. They want to have our feathered little friends inhabit cities once again. Ok they will crap on you from above, but nature is GOOD ... right!?
Their designs look very cool! And the designs are already in 4th generation ...

Project homepage: http://www.printednest.com/

They are building a community and want more people to join them. You can build your nest and pin it on a map, even live feed from it ... Currently they have 40 nests in 27 cities in 7 countries.

Oddbot is 3d printable DIY robot with Mecanum wheels

Oddbot is 3d printable open source DIY robot with omnidirectional Mecanum wheels which you can make yourself with your 3d printer. It is aimed at robotics education and small projects. It doesn't look optimized for FDM printers but it is probably possible to do it.

Mecanum wheel

Detailed construction instructions with all the files and software can be found at:

http://www.odd.org.nz/oddbot.html

The project is developed by Olaf Diegel whois well known for his 3d printed electric guitars and 3d printed saxophone.

RepRap Universal Plastic Pellet Extruder project

Here is a new extruder developed by Richard Horne that can print directly from pellets. It is much cheaper to print from pellets then to buy filament. One could also grind disposed or failed prints and recycle them directly.

There are several well developed projects for DIY filament extruders but their main purpose is to produce filament and not directly print from it.
There are also new machines like Sculptify David that print from pellets but nothing open sourced and adapted for variety of small home 3d printers.

This is project under development and Richard is asking for feeedback, so go and drop a comment on his video:

https://www.youtube.com/watch?v=nW4kmJAypZM

Excellent development! Kudos Richard!

Update:

Richard released his extruder and details about it can be found on his blog:

http://richrap.blogspot.co.uk/2014/12/no-more-filament-quest-for-universal.html

Here is detailed video presentation of the pellet extruder by Richard:

All the files to make the extruder can be found at:

https://www.youmagine.com/designs/universal-pellet-extruder-reprap-3d-printing

AirEnergy3D DIY wind power generator you can print at home

AirEnergy3D is Polish company who wants to develop open source 3d printable wind power generator. If they are successful this will be great advancement for low cost wind power generation.

Key features:

AirEnergy3D is a 3d printed wind turbine that you can setup on your balcony, roof or take it camping
It can generate up to 300W of electrical power (this may be too optimistic, or the featured size will be increased, since the power for showcased size turbine is in 30W range in good wind)
It's small, it's durable, it's customizable and it' very cheap compared to existing wind based solutions
you can fit it in a backpack, move and assemble anywhere without using power tools

It is on Kickstarter now:
https://www.kickstarter.com/projects/43717383/airenergy-3d-a-3d-printed-opensource-mobile-wind-t

Company page:
http://omni3d.com/en/

Wind turbine that can be printed in modules. There are advantages and disadvantages to this design related to efficiency, but vertical axis turbine is easier to print than complex horizontal axis propeller. Read more at:
http://barnardonwind.com/2013/02/23/why-arent-vertical-axis-wind-turbines-more-popular/

Proof of concept makes a LED light up, but do keep in mind that gear systems reduce efficiency

There are similar projects even for the generator system, like this one:

http://diy3dprinting.blogspot.com/2013/05/small-3d-printed-wind-power-generator.html

... but I think there is a need for more integrated, well tested and optimized system. Open Sourcing it is a big plus and could make the technology spread and further developed by the community sand users.

If you want to build a home wind generator without 3d printing, here is an open source Zoetrope design build plan:

http://www.applied-sciences.net/library/data/zoetrope-wind-turbine.pdf

Make a low cost DIY hydroponics system with 3Dponics modules and used plastic bottles

As I wrote in previous DIY aquaponics post, I'm researching from my future projects. I discovered 3DPonics which is modular system of 3d printed elements that enables you to create low cost home hydroponic system for growing plants in used plastic bottles.
Growing vegetables in most types of plastic bottles and containers is considered safe.

The system is completely free and open source. I'm huge supporter of open source movement and this is very important point for me. I think it is alos possible to "upgrade" it with a fishtank to get fully aquaponic growth system.

It looks like an ideal setup for small spaces bot indoor and outdoor. Maybe I'll build this for next growing season. I'm gathering plastic bottles for other projects and have seed material for old types of tomatoes and peppers. Growing your own food is like growing your own money.
Maybe next year ...

Check it out:

Kickstarter campaign (probably used as promotion tool) promotion video:

Here is a hydroponic system based on 3dponics on a small apartment balcony:

Here is short guide on how to build the system:

Project homepage: http://www.3dponics.com/

3DPonics Kickstarter:
https://www.kickstarter.com/projects/3dprintler/3dponics-community-for-crowdsourced-3d-printed-hyd/

You can watch 3dponics system on a balcony via live cam: https://www.dropcam.com/p/3dponics

All instructions and files can be found at: http://www.thingiverse.com/thing:376158

3dponics hydroponic system indoors

3dponics hyrdroponic system on a balcony

3dponics system overview

You could also 3d print the most of the water pump and make DIY peristaltic pump or other type:

Peristaltic pump 3d printed and powered by standard NEMA motor: http://www.thingiverse.com/thing:414192

Go explore DIY water pumps for your aquaponic / hydroponic systems here:

http://www.thingiverse.com/tag:peristaltic

http://www.yeggi.com/q/water+pump/

Here is my first post on using 3d printed parts in aquaponic / hydroponic food growing that also has some introduction videos on the topic:

http://diy3dprinting.blogspot.com/2013/06/using-3d-printing-in-aquaponics.html

Update (30.9.2014.):

Here is detailed video interview about 3Dponics with Luke Rudkowski, This video describes the system, philosophy behind it and future developments. Open Source everything!

Developing a DIY metal detector with 3d printed parts

If you want to detect metal underground and you have a 3d printer, Arduino, some wire and PVC pipes, you can start to build this DIY contraption.

There are links to several how-to guides in this post based both on Arduino and Intel Galileo controller. You can use 3d printed and parts cut from plywood.

All the files needed for the detector coil and other parts: http://www.thingiverse.com/thing:416163

Here is the projects homepage: https://solar1.net/drupal/metal_detector

He uses this metal detector project as the basis: http://dzlsevilgeniuslair.blogspot.dk/2013/07/diy-arduino-based-metal-detector.html

3d printed metal detector coil

Owning a metal detector is not prohibited in my country (Croatia) but using it to find anything of historical values could be heavily punished. I'll need to think if I will make this detector. Maybe in the future.

Update:

I found another 3d printed DIY metal detector project developed by Paulo Bubolz from Brazil. It is controlled by Raspberry Pi. Files for it are not released yet ...

Update 2:

Here is a plywood frame and Intel Galileo based DIY metal detector with LED strip indicator. Very detailed guide is available at:

http://www.instructables.com/id/Metal-Detector-2/

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