2016 ~ Home Tips Trick

Homebuild Smoothing Tumbler for 3D Printed Parts

Mancave developed this simple to build tumbler for smoothing 3d printed parts. It works best with metallic filaments like Bronzefill and simillar. It tumbles the part with small screws giving it shiny and smooth surface.

Here is the build and operation video:

Here is the video of Coperfill skull being processed and polished:

Shiny and smooth skulls:

Meet the RepRap AtomX

Cliff has decided on the name for his new machine: it is AtomX.

Here is the pre-assembly video:

More details and files to build it can be found at:

http://reprap.org/wiki/AtomX

http://www.thingiverse.com/thing:1444061

Help Cliff name his new RepRap!

Cliff is in action again!!! Swedish 3d printing guru designed a new small RepRap and he wants YOU to help him name it! Live him a comment under a video with your idea.
The no-name RepRap is a interesting looking machine that has many 3d printed structure parts that can be produced on a standard sized printbed.

Cliff is well known for his Fubot i1 and Funbot Pro.

Aluminum Sand Casting 3D Printed Nose Ring

It's a nose ring. Get it? NOSE RING...
David Kent Watson 3d scanned his face, 3d printed his nose and used lost PLA casting to make it in aluminum. Cool project. I would wear that ring.

Here is the ring being sand casted:

Project homepage with much more details:

http://dkentwatson.com/art/the-nose-ring/

Detailed Ultimaker Troubleshooting Guide

If you own an Ultimaker or a simillar machine, you will find this very detailed troubleshooting guide very useful. It describes all possible problems and how to solve them.

Here is an example of "Pillowing", problem I didn't even know existed:

Full guide can be found at:

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide

High RPM 3D Printed RC Brushless Motor

Here are two DC brushless motors 3d printed for RC cars applications. They reach 36000 RPM and 42700 RMP.

Here is the first version which exploded due high RPM and centripetal forces of magnetic mass:

Here is improved version that reaches even higher RPM:

You can learn more at:

http://sgabolab.altervista.org/thunder-brushless.html

3D Printed PICK Smart Glasses Frame

Hyeon Han from South Korea developed smart eye glasses frame with 3d printing shell. He named it “PICK glasses 3.5”.
It features a very small custom PCB (45mm x 10mm), Arduino, vibration motor, acceleration sensor, serial port (TTL), battery charger and Bluetooth 4.0. There is no description of what it actually does but if you have a platform you will find a purpose :-)

Han's blog with project description:

http://baehyunhan.tumblr.com/post/139110072315/my-smart-glasses-project-pick-glasses-35-pcb

For a MUCH more cyberpunk project take a look at:

http://diy3dprinting.blogspot.hr/2013/11/dyi-3d-printable-google-glass.html

Improve your Car's Fuel Economy with 3D Printed Vortex Generators

Vortex generators are small vanes that are mounted on various vehicles, mostly aircraft, to improve their aerodynamic performance. In theory they could be installed on a car and improve the fuel economy and increase MPG (or lower the liters per 100km for us Europeans).
Since they are easy to make and design, there are several 3d printable models. They are also very cheap so you can make dozens for a few dollars.

Samm Shepard 3d printed vortex generators and made road tests with good results. He also explains a science and aerodynamic principles behind it.

He used the F86 vortex generator:

http://www.thingiverse.com/thing:785398

Kyle also does a great job in simplifying the science behind it and also has real-life tests with positive results but claims they are only useful on high performance cars.

Autospeed magazine did some testing and achieved positive results in 2006:

Vortex generators on cars can achieve measurable, scientifically proven improvements in car aerodynamics – reducing both lift and drag. The Lancer Evo is probably the shape of things to come – expect vortex generators (of whatever design) to be used on new cars, especially to improve the flow around corners towards the rear of the body.

Positive gains can be achieved only by practical experimentation. That’s the downside – the upside is that the vortex generators are easy to temporarily stick into place with masking tape, and just as easily removed if they are not achieving the desired results. They’re also cheap enough that buying ten or so for experimentation is a good investment.

But they did have some negative results if they were placed on wrong places.

Source links:

http://www.autospeed.com/cms/article.html?&A=113217

http://www.autospeed.com/cms/article.html?&title=Blowing-the-Vortex-Part-4&A=113219

GFY racing uses 3d printed vortex generators on race cars:

https://gfyracing.wordpress.com/2014/06/27/3d-printed-parts-2/

One of the commercial vortex generator producers, AirTab, did some testing and they achieved significant improvements on trucks. Due to their box shape, their aerodynamics is very bad.

Several research papers, like this one by MIRA show that the fuel savings can reach up to 3% with installed vortex generators.

There are simillar 3d printable models like this one: http://www.thingiverse.com/thing:1251022

Here are vortex generators mounted on a Sprinter van:

And user experience of RV owner:

Since vortex generators are easy to 3d print and easy to install and uninstall they could be great gadget to experiment with and see if you can save some fuel.

Wikipedia page:

https://en.wikipedia.org/wiki/Vortex_generator

If you want to learn more on how to increase fuel efficiency of your car and get more MPGs here is a modder community with tons of useful posts and articles:

http://ecomodder.com/forum/fuel-economy-mpg-modifications.php

They use 3d printers also to make custom car parts:

http://ecomodder.com/forum/showthread.php/im-making-custom-car-parts-3d-printer-30670.html

... like this custom shift knob with engine cut off switch:

Homemade Jet Engine with 3D Printed Parts

This guy made a desktop jet engine made with many 3d printed parts and burning chamber made from refractory cement molded with PLA 3d printed mold. He also used a skateboard bearings, sheet metal and an electric starter, all powder with lighter fluid!?

Here is a video of the engine running and being taken apart:

Here is a test at 40k RPM:

Project homepage with complete construction manual book to be released:

http://amazingdiyprojects.com/

If you think its very hard to make a DIY turbine jet engine you will be surprised that it was done many time even from junkyard parts like this one:

http://www.junkyardjet.com/

Stay safe!

Tribed Print Bed Autocalibration

Jeremie Francois developed his own method of automatic print bed leveling and calibration by using some force sensors, Arduino to communicate with modified Marlin firmware and three Z-axis lead screws.

Here are videos of his set-up in action:

Project homepage with detailed guide:

http://www.tridimake.com/2015/12/tribed-fully-automatic-bed-leveling-and-z-offset-adjustment.html

The project is still in development and further improvements are expected.

Source:

http://hackaday.com/2016/01/31/tribed-3d-printer-configuration-doesnt-ever-need-to-be-leveled/

FSR sensor on the bottom plate next to a Z screw

You can learn more about Force Sensing Resistors here:

https://en.wikipedia.org/wiki/Force-sensing_resistor

Smoothing 3d prints with thermal transfer tool

Justine shows how to get a smooth surface on your 3d print with some help of thermal transfer tool which is somewhat simillar to soldering iron. It is used mostly by woodworkers to etch or scorch a pattern with heat into the wooden surfaces Results look good.

This thermal transfer tool has a larger round surface

Trinus 2-in-1 3D Printer

Trinus is a new 2-in-1 solution with option for user to mount 3D printer or laser head.

Tech specs:

Print Volume: 120mm x 125mm x 125mm
Print Speed: up to 70/mm
Minimum layer height: 0.05mm（50 micron）
Print Material: 1.75mm PLA, ABS
OS Supported: Windows, Mac
Conectivity: USB, SD Card (autoprint)
Power consumption: 60W
Weight: 9.8kg

For more see:

http://www.trinus3d.com/

It will be on Kickstarter soon, you can get if for 199 USD as a super-early-bird offer.

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

Delta Flying Extruder

Direct and Bowden extruders both have their limitations and advantages. Flying extruder for Delta 3d printers should have the best of both types.
Flying extruder should have few key advantages:

Remove weight from the moving portion of the printer, making momentum shifts much easier
Remain “close” to the hot end to enable effective printing of flexible materials and remove tube friction
Reduce motion “lag” caused by lengthy tube traversals

It was introduced on RepRap forum thread:

http://forums.reprap.org/read.php?178,218716

It was described as:

The extruder is suspended by rubber bands. These are running around several rolls to increase the length (each around 2m relaxed) to have more or less the same force over the whole vertical range. The extruder is connected with a very short latex tube (around 75mm) to the nozzle. This tube decouples the high frequencies between the nozzle and the extruder.
Long story short: I'm printing with no problems with 75m/s and 3mm retraction and still with the same acceleration of 800mm/s². But this was only a short test and I think I can bring it up with a bit optimization.
Another advantage is, that it's now easier to build an enclosure and that the printer is much quieter, because the extruder is decoupled.

Here is a video of flying extruder in action. The developer claims that the strange motion is due to Kisslicer and that prints are very good.

You can find all the files to build it here:

http://www.thingiverse.com/thing:756426

More extensive article:

http://www.fabbaloo.com/blog/2015/11/15/the-flying-extruder-the-best-of-bowden-and-direct-3d-printer-extruders

Looks like it is not developed further, but the design is interesting ...

Does anyone have any experience with it? Let us know in the comments!

Cambits use 3d printed enclosures for modular camera system

Shree Nayar and Makoto Odamaki, scientists at Columbia University, developed a modular camera system made with 3d printed enclosure named Cambits. Electronics is the main part of technology and 3d printing is just gives the structure and housing. Still, very interesting piece of engineering and research.

There are five different type of Cambits: sensors, light sources, actuators, lenses, and optical attachments. The blocks can easily be assembled to make a variety of cameras with different functionalities such as high dynamic range imaging, panoramic imaging, refocusing, light field imaging, depth imaging using stereo, kaleidoscopic imaging and even microscopy.

CU project homepage:

http://engineering.columbia.edu/computer-vision-laboratory-develops-cambits-modular-imaging-system

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.

Ardumower Arduino Controlled 3D Printable Lawn Mover

Andreas Haeuser developed a 3d printable lawn mover. It is controlled by Arduino and looks easy to build on any FDM machine with some electronics knowledge.

Tech specs from the project page:

The 3d printed ardumower works on the same principle as its commercial counterparts, which can be bought for a lot of money at most hardware stores. It drives in the inner space of a “boundary wire fence” (BWF). If it comes close to this it stops, turns and then it goes on mowing your lawn continuously. The ardumower is well tested for a lawn size up to 500m². If your lawn is bigger you need a second battery or you should print a second ardumower.

In addition to a 3D printer and the needed filament (ABS and PLA) for printing the parts, only a few tools and resources are needed to build the chassis. These are mainly common hobbyist tools. You do not need a lathe or a milling machine. Every common 3d printer with a build volume of minimum 180mm x 180mm x 60mm (x,y,z) is suitable.

The ardumower is driven by two 12V geared motors. The cutting device is made from a 12V DC-motor and a cutter disc with a diameter of 220mm. The power comes from rechargeable 12V NiMH or 11,1V LiPo batteries.

You can get all the details and purchase the construction manual with all the files for 9,99 euro:

http://www.reprap-windturbine.com/index.php?id=20&L=1

3D Printed Monolithic Houses

Andrey Rudenko developed his own concrete 3d printer in the garage. It has a gantry motion and extrudes concrete paste combined in the optimal mixture.
In his latest demonstration he printed a 100m2 house in 48 hours. He claims his 3d printed structures are hurricane and tornado resistant due to monolithic design.

He also successfully 3d printed a hotel suite in the Philippines:

Here you can see the process and comparison to human builders:

He is well known for his 3d printed concrete castle:

His homepage with much more information:

http://www.totalkustom.com/

PS: I like the technology, but 3d printing is not a solution to housing crisis in my opinion. Houses are cheap to build, what is expensive is land, permissions, architectural work by certified professionals, compliance etc. Houses also became financial instrument and not a physical object person lives in. It is a broad and complex issue.

Taiwan Launches 3D Printed Rocket

Taiwanese university launched 3d printed APPL-9C rocket. It is made from modules with many 3d printed subsystems. It should be part of a larger multistage rocket in the future. Looks like many of the parts were done on FDM machines. I always claimed space will be colonized with 3d printers.

The first section of the rocket uses a sugar-based rocket fuel made from sorbitol + KNO3, and its second section features a hybrid rocket motor fueled by Hydroxyl Terminated Polybutadiene HTPB, with nitrous oxide as the oxidant. It accelerates at 15G.

From the source article:

A locally designed, developed and constructed rocket blasted off Jan. 31 in Hsinchu City, signaling Taiwan’s commitment to furthering its space technology capabilities.

Produced by Advanced Rocket Research Center based in National Chiao Tung University, the two-stage APPL-9C reached an altitude of 1 kilometer before deploying three chutes and splashing down in a Hsinchu wetland.

The rocket, made from environmentally friendly materials, measures 2.7 meters in length, 15 centimeters in diameter and weighs 27 kilograms when fully fueled.

Watch this baby fly:

Video in Chinese showing some 3d printed parts:

Local TV report also in Chinese:

Source:

http://taiwantoday.tw/ct.asp?xItem=241943&ctNode=2183

More detailed article:

http://www.3ders.org/articles/20160202-watch-taiwan-researchers-successfully-launch-eco-friendly-3d-printed-appl-9c-rocket.html

How To Repair Broken Eyeglasses Frame with 3D Printing

Since I wear eyeglasses since my early childhood, I have broken them may many times. To repair the frame is not easy and replacement is always costly. You can use some superglue or other hacks but it's problematic if the part has shattered in several pieces or you just can't find it.

Matias Mamone published his tutorial on Instructables featuring a easy step-by-step process how to design the broken part and 3d print it to make a solid bridge to fix the frame. Nice! Thank you Matias for this cool tutorial!

3d printed part that perfectly matches the lens

eyeglasses with broken part missing from the frame

Detailed guide can be found at:

http://www.instructables.com/id/Repair-Broken-Glasses-With-3D-Printer-HowTo/?ALLSTEPS

3D Printable 3D Drawing Stylus for Motion Tracking Systems

EpicJefferson published a full tutorial on how to make Arduino based 3d drawing pen with 3d printed enclosure. It can sedn data to other software like Processing and uses an external motion tracking system (like Optitrack in the video)

Full build guide and all the files can be found at:

http://www.instructables.com/id/Wireless-3D-Drawing-Stylus/?ALLSTEPS

Here you can clearly see the internal electronics, battery and 3d printed shell with motion tracking points on the cap.

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/

3d printable cover for high voltage terminals

"Mr. Power Electronics" used his Prusa I3 to 3d print protective covers the high voltage terminals. Just a useful thing I found while browsing Tumblr.

Project homepage:

http://dopeydavoid.tumblr.com/post/139514893558/3d-printing-is-useful-for-anything-and-everything

3DLabPrint 3D Printable RC Model Airplane Webshop

3DLabPrint from Czech Republic opened a webshop for 3D printable RC model airplanes. It is a nice little niche business. We will probably see more specialized model shops in the future.

Company homepage:

https://3dlabprint.com/index.php

Ultimaker 2 Vs. Print-Rite Who Wins?

Guys from Make.Test.Battle,Ryan and Kash do a casual comparison of the Ultimaker 2 and the Print-Rite DIY 3D Printer from HobbyKing, as well as learn the importance of bed leveling.

They do a lot of Nerf toys modifications and upgrades with 3d printing.

It turns out you really get what you pay for in this case.

Why are 3d printers so expensive in Australia? Probably due to shipping, import and customs fees ... taxes maybe?

Here is a complete comparison video:

Something cool they make, modded Nerf toy guns, here the dart cylinder was 3d printed:

http://www.thingiverse.com/thing:1274005

Cardboard Box 3D Printer Enclosure

This guy made a very cheap 3d printer enclosure made from cardboard box :-) It probably works and can be used as improvised heat chamber but there could be a slight fire hazard. But if you don't have any money, you will take some risks. I know that for a fact. You could also try using some salvaged drywall or gypsum plates.
Stay safe kids! It's always a good idea to have a fire extinguisher in your house.

If you need a different low cost solution you could try this one with cheap plastic boxes:

http://diy3dprinting.blogspot.hr/2014/03/low-cost-simple-3d-printer-enclosure.html

3D printable Mars rover robot from Russia

Misha Larkin from Russia published his version of 3d printable Mars rover robot. It looks great. It was printed on XYZ daVinci.

All files and instructions can be found at:

https://www.thingiverse.com/thing:1318414

You can see a different version here:

http://diy3dprinting.blogspot.com/2015/03/3d-printed-rc-mars-rover-robot.html

Educational TETRIX 3D Printer

Tetrix is a new 3d printer design based on needs of schools to provide simple and affordable teaching tool.

Here is the project description:

The TETRIX 3D-Printer was designed as an educational tool for middle and high school technology students, robotics teams, and adults. The purpose of constructing the printer is to train people's building, tool usage, electronics, CAD, and programming skills with a single project. You also get a 3D-printer once you're done!

The printer design is based on TETRIX parts, which are designed by PITSCO and used in the FIRST Tech Challenge robotics competition. The printer also utilizes elements of various RepRap printer designs, such as the Printrboard control system. The design is completely open-source, so feel free to personalize and alter your printer.

The overall cost of the printer is about $640, and the educational value is priceless! The majority of the cost is attributed to the TETRIX parts, but the high accuracy of the pre-drilled, pre-sized aircraft-grade aluminum saves time and reduces error, which outweighs the price.

Very detailed build guide:

http://www.instructables.com/id/Tetrix-3D-Printer/?ALLSTEPS

Thingiverse Theft And How To Protect Yourself

Someone has been stealing designs from Thingiverse and selling it on Ebay. Here are two videos describing the situation and how you can protect yourself.

Here is Joel aka. 3D Printing Nerd:

Here is Angus from Maker's Muse. He as a industrial designer and professional with a lot of experience suggest few steps on how to protect yourself including watermarking it and not uploading it at all:

Here is the Thingiverse post that started it all:

http://www.thingiverse.com/thing:1350837

here is the official Thingiverse statement about your rights:

http://www.makerbot.com/blog/2016/02/24/your-rights-when-you-upload-to-thingiverse

Here is the epilogue of the whole story, but it will probably happen again in a different form:

http://3dprint.com/124281/thingiverse-users-win/

3D PRINTING HAS GONE TOO FAR!!! IT'S TIME TO PROHIBIT IT!!!

Update: it looks like some people think this is a real news video and not a comedy / parody video. GUYS, THIS IS A JOKE!!! IT IS COMEDY!!! DO NOT TAKE IT SERIOUSLY!!!

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

BristleBots 3D Printable Insectoid Robots

Alex Czech from Australia developed this small and simple vibrating movement 3d printed robots. They are powered with a simple battery and low cost DC motor that vibrates their "legs" or bristles. They can be used as an easy educational or toy project.

3D printed vibrating bristles

Here is the BugBot buzzing around:

Here are the small plastic critters from the Bashbot series and they are fighting in the arena, There can be only one.

I wonder how would cats react if I let few of those insectoids go freely on the floor ... we will have to see ...

BugBot is a free download at:

http://www.thingiverse.com/thing:1345864

Other .stl-s for different types can be bought at: https://sellfy.com/3DPrintIt

Prusa I3 Based Ultrasonic Laser Resin 3D Printer

Team of scientists hacked a Prusa I3 to develop new 3d printing process that uses laser to solidify ultrasound arranged resin fiber particle in a small vat.
A laser diode module was mounted on the print head to cure the resin, with an emitting power of 50 mW. The laser diode was housed in a shroud, and was focused using a single 6 mm diameter lens, with a focal length of 20 mm. The small vat sized at 35mmx35mm was filled with low viscosity photocurable resin (Spot-A LV) and commercially sourced glass microfibres (Lanxess MF7904, length 50 μm, 14 μm). Ultrasonic transducer gives resin floating fiber the shape and laser solidifies it.
It is a new form of stereolithography which could see some upscaling into more capable machines.

Detailed article and scientific paper "3D printed components with ultrasonically arranged microscale structure" can be found at:

http://iopscience.iop.org/article/10.1088/0964-1726/25/2/02LT01

Source post:

http://www.bristol.ac.uk/news/2016/january/3d-printer.html

The printed object and close-up of the object showing its very small layers.

Ourobotics Low-Cost DIY Renegade Open Source Bioprinter

Ourobotics is an Irish company that is developing bioprinters. They published an open source low cost bioprinter based on some standard RepRap parts named Renegade that can be sourced for some 900 USD. I doubt that someone will 3d print a kidney on it in a home workshop but some interesting biohacking project could come up in the future.

Ourobotics also developed high-end bioprinter that can print with 10 materials, has enclosed warm chamber for keeping the cells alive and costs some 12500 Euro.

... here it is printing an ear:

Ourobotics homepage:

https://www.weare3dbioprintinghumans.org/

PDF with build instructions based on a common RepRap:

http://www.3ders.org/images2016/ourobotics-bioprinter-instructions.pdf

More detailed article about the project:

http://www.3ders.org/articles/20160204-ourobotics-releases-completely-open-source-renegade-3d-bioprinter.html

E3D VariPower Heated Bed with Modulated Power Zones

E3D developed a heated bed that has distributed heated zones so that the heat is distributed evenly to avoid potential warping due to temperature differences. It can reach up to 140 degrees Celsius on 200mm * 300mm print surface. It is very useful if you want to print larger series of multiple parts on entire surface.
It is priced at £45.00.

Heat bed homepage:

http://e3d-online.com/BigBox-Heated-Bed

Custom Color Mixing Rostock Max by Jason Powell

Jason Powell made his highly customized Rostock Max V2 delta with the Diamond hotend and upgraded the firmware to do color mixing. He made multi part .stl-s to enable multiple colors.

Detailed video:

Instructables project homepage:

http://www.instructables.com/id/Full-Color-Mixing-3D-Printer/

His Thingiverse page:

http://www.thingiverse.com/jjpowelly/designs

Lum Continuous Build Belt Platform 3D Printer

Andreas Bastian developed this very interesting 3d printer with continuous build belt platform. Since it is a movable belt you could, in theory, print continuous or infinitely big objects. Yes, it is a DIY project and it is in development so the builds are rough but the concept is innovative.
The name "Lum" is a version of the word "loom" as the developer is known for his work in textile-like 3d printed structures.

Here is Lum printing its own print bed! First part of a print platform belt is made on different 3d printer and then finished on Lum.

Lum printer printing continuous non-woven textiles / metafelts:

Build guide can be found at for a lower part of it, further build guides will follow:

http://www.instructables.com/id/The-Loom-Printer-Infini-Printing-Assembly/?ALLSTEPS

Cool Acrylic Painted Centaur Figurine

Guys from 3D Obiecto made this cool "Kentaur Scuplt 1" 3d printed sculpture of a centaur.

Some technical specifications:

Zbrush + painting was done by Libor D. Open Art
Colorfabb Wood + Black PLA on Mankati fullscale 3D printer
190 x 90mm
Acrylic painting + mat lacq

Great work guys!

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