MetaRepRap Soup

[alphabet] “opening up spaces for arts & the public”

Mon, 26 Mar 2012 12:58:31 GMT

“opening up spaces for arts & the public”

[unique-entity] Creeper made in Metalab.

Sat, 03 Mar 2012 22:31:05 GMT

Creeper made in Metalab.

[unique-entity] I soldered a new capacitor to one of my stepper motor drivers. Just one quest...

Sat, 03 Mar 2012 22:21:48 GMT

I soldered a new capacitor to one of my stepper motor drivers. Just one question remains: What happened to the original capacitor? I could not find it anywhere ...

[alphabet] Special geek cred for those who recognize this latest 3d print of mine #metal...

Sat, 18 Feb 2012 01:27:41 GMT

Special geek cred for those who recognize this latest 3d print of mine #metalab -- anlumo1

[alphabet] At the #Metalab @anlumo1 is 3D printing a Baneling (Zerg) from Starcraft II w...

Sat, 14 Jan 2012 02:59:42 GMT

At the #Metalab @anlumo1 is 3D printing a Baneling (Zerg) from Starcraft II with an Ultimaker. --@MacLemon

[alphabet] Testing 3D Printing Complex Shapes

Sat, 07 Jan 2012 20:26:29 GMT

Testing 3D Printing Complex Shapes
Andreas did this as a test to see how the Ultimaker/PLA setup would handle complex objects. He had to remove quite some hairs but it worked out. Maybe printing the PLA at a lower temperature and moving even faster while not printing will help. via @wizard23

[alphabet] First Ultimaker Print

Fri, 30 Dec 2011 17:40:33 GMT

First Ultimaker Print
Uniqx brought his new Ultimaker to the lab :) and yesterday he printed a replacement part for his faucet.

Unfortunately there was some problem with the usb connection and it stopped 5 minutes before it would have been finished...but it should be already functional :)

[Reposted from wizard23 via metalab]

[alphabet] New Ultimaker at Metalab!

Fri, 30 Dec 2011 17:14:06 GMT

New Ultimaker at Metalab!
Uniqx brought his Ultimater to the lab :)

Yesterday we did some skeinforge parameter tuning and we already got some decent parameters but it should be possible to move and extrude even faster ;)

[Reposted from wizard23]

[alphabet] Iteration 2 of Kay's Metalab Cookies

Mon, 26 Dec 2011 03:37:22 GMT

Iteration 2 of Kay's Metalab Cookies
Word of the day: Kaykse

[Reposted from wizard23]

[alphabet] self-printed cookie cutter by @kay

Sun, 25 Dec 2011 05:01:20 GMT

self-printed cookie cutter by @kay

[alphabet] Kay made this cool Metalab cookie cutter :) via @wizard23

Sun, 25 Dec 2011 04:51:15 GMT

Kay made this cool Metalab cookie cutter :) via @wizard23

[alphabet] Ein 3D gedruckter und LED beleuchteter Engel im #Metalab #blauesLicht Und der...

Sat, 24 Dec 2011 03:12:36 GMT

Ein 3D gedruckter und LED beleuchteter Engel im #Metalab #blauesLicht Und der gute @wizard23 --@maclemon

[alphabet] Ice Teddybear by anlumo

Thu, 22 Dec 2011 02:46:50 GMT

Ice Teddybear by anlumo
Constructed using OpenSCAD and printed in Metalab with a Makerbot 3D printer.

[alphabet] Good and evil teddy, finally united. -- @anlumo1

Wed, 21 Dec 2011 14:13:37 GMT

Good and evil teddy, finally united. -- @anlumo1

[alphabet] 3D printed keys from brmlab and Metalab

Sun, 18 Dec 2011 21:58:58 GMT

3D printed keys from brmlab and Metalab

It was a very fun evening. The hackers from Prague had brought locks wth parametric openscad generated keys. I test printed some keys (turn sparse infill off) and after skilled postprocessing by [I wish I knew the name] they even worked :) --@wizard23

[bernhardkubicek] Ultimaker is hiring

Sun, 11 Dec 2011 14:35:37 GMT

http://blog.ultimaker.com/2011/12/11/ultimaker-is-hiring/?utm_source=twitterfeed&utm_medium=facebook

[Reposted from bernhardkubicek]

[alphabet] Result of a 3D design/modelling session with OpenSCAD: (Lens Cap holder that ...

Tue, 06 Dec 2011 14:54:02 GMT

Result of a 3D design/modelling session with OpenSCAD: (Lens Cap holder that attaches to a camera strap/belt/rucksack.) -- @maclemon

[bernhardkubicek] Dec 3, 2011: reprap build workshop with Kliment

Sat, 26 Nov 2011 09:08:48 GMT

Dec 3– 4, 2011

[Reposted from bernhardkubicek]

[alphabet] Pippilotta had this cool idea of melting a printed star onto hot stones and o...

Fri, 25 Nov 2011 11:39:15 GMT

Pippilotta had this cool idea of melting a printed star onto hot stones and other things. So I printed a simple design for that at Metalab and we tested it ... the idea needs some refinements (hot stones are hot...who would have thought that?) but it seems to work :) --@wizard23

[alphabet] Someone (sorry I forgot the name) built this cute replacement cartridge for g...

Tue, 22 Nov 2011 21:23:19 GMT

Someone (sorry I forgot the name) built this cute replacement cartridge for game boys at Metalab. --@wizard23

[bernhardkubicek] Marlin v1.0.0 Beta released

Sun, 20 Nov 2011 17:23:48 GMT

We have just released a beta of Marlin v1.0.0. It took quite a while, and I hope that not too many changes will be necessary for the release.

More info here.

Features:

Interrupt based movement with real linear acceleration
High steprate
Look ahead (Keep the speed high when possible. High cornering speed)
Interrupt based temperature protection
preliminary support for Matthew Roberts advance algorithm For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
Full endstop support
SD Card support
SD Card folders (works in pronterface)
LCD support (ideally 20x4)
LCD menu system for autonomous SD card printing, controlled by an click-encoder.
EEPROM storage of e.g. max-velocity, max-acceleration, and similar variables
many small but handy things originating from bkubicek's fork.
Arc support
Temperature oversampling
Dynamic Temperature setpointing aka "AutoTemp"
Support for QTMarlin, a very beta GUI for PID-tuning and velocity-acceleration testing. https://github.com/bkubicek/QTMarlin
Endstop trigger reporting to the host software.
Updated sdcardlib
Heater power reporting. Useful for PID monitoring.

[Reposted from bernhardkubicek]

[alphabet] » DeepSec afterparty at Metalab was awesome! The newest bracelet design downl...

Sat, 19 Nov 2011 20:31:39 GMT

» DeepSec afterparty at Metalab was awesome! The newest bracelet design downloaded from thingiverse called 'Stretchlet' by emmet was THE most printed object of the night. Here Marius is just finishing the QA ;) « --@wizard23

[wizard23] 3D printed spintop :)

Thu, 17 Nov 2011 12:32:04 GMT

3D printed spintop :)
by @wizard23

[Reposted from metalab via lazzzor]

[alphabet] This video shows the process of printing the model of Saint Basil

Sun, 13 Nov 2011 16:12:40 GMT

This video shows the process of printing the model of Saint Basil Cathredral (Moscow) on a MakerBot 3D printer in Metalab, Vienna. --dapissarenko

[bernhardkubicek] Ultimaker Panels plans are now available on thingiverse.

Tue, 18 Oct 2011 20:01:13 GMT

Ultimaker Panels plans are now available on thingiverse.

[Reposted from bernhardkubicek]

[bernhardkubicek] Idea for a RepStrap

Sun, 16 Oct 2011 12:36:07 GMT

Image a ultimaker style XY-table with a similar carriage.

The advantage to normal repstraps is that the moving weight is very low, and hence fast acceleration and movement speeds are possible.
The disadvantage is the indirectness of the extrusion. The flexibility of the bowden together if the flexibility of the filament make it hard to retract sufficiently fast, or cause basically a discrepancy between stepper motor rotation, pressure buildup and extrusion.

Now how about if the stepper motor was mounted fixed on the frame. The rotation movement would be transfered to the carriage through a flexible shaft.

On the moving carriage, you would have the hobbed bolt, and a transmission from the end of the flexible shaft to the bolt.

On the fixed stepper, maybe also a transmission, to increase the rotational velocity inside of the flexible shaft. This would limit inaccuracies due to rotational flexibility of the flexible shaft.

[Reposted from bernhardkubicek]

[bernhardkubicek] Acceleration!=Deceleration for repraps.

Sun, 16 Oct 2011 12:36:01 GMT

If we had independent acceleration/deceleration on a reprap, how big would the effect be?

The most "difficult" to move axis would need a weight of mass "m" to overcome friction when tilted 90°.
The force f=m*g. This force shall equal the breaking acceleration of the axis moving weight M (if Stiction would equal friction): f=M*a, a being the acceleration.

Hence a= 9800*m/M mm/sec^2.

For an ultimaker m would be 0.7kg while M would be 0.5 kg approximatly. Hence if you would decelerate with 13700 mm/sec^2 the motors would feel no torque.

A mendel is reported to have the axis move if its tilted by 25°.
In this case f=a*M=g*M*Cos(alpha).
The acceleration hence is a =9800*cos(holdingangle)
For a mendel thats approx 8800mm/sec.

Hence, not considering rotational mass of axis and motor, and ignoring structural vibrations, the breaking acceleration could be double than the current movement accelerations of ~6000mm/sec^2.

[Reposted from bernhardkubicek]

[bernhardkubicek] Ultimaker featured on Hackaday.

Fri, 14 Oct 2011 08:03:31 GMT

As featured on Hackaday , DDurand's blog entry:

A lot of the press that Ultimaker has gotten has been about the crazy speeds these machines can print at. That press is pretty well-deserved, IMO, because they can indeed move very, very fast. Scary fast.

That kind of press is usually accompanied by several questions in the comments, wondering about the quality of prints. Can something that moves at such speeds actually produce high-quality prints or is Ultimaker just about speed?

The answer is yes, an Ultimaker can absolutely produce prints of amazing quality.

A few weeks or so ago, I posted in the Ultimaker google group about this and asked for pictures of really nice prints folks have done on their Ultimaker. This blog post, which is a bit later than I wanted (life and such sometimes gets in the way of play.. annoying..), is some of my favorites. As you look at these pictures, keep in mind that Ultimaker just started shipping a few months ago – these are pictures of what the early, rev 1 machines are doing…

I’ve tried to hotlink all the pictures to their sources and include links to the people who originally did them. If you spot something wrong/missing or are the person who printed it and have something to correct/add, please post in the comments and I’ll happily update things.. .

Bucking the tradition of working up to it, I have to start with the most impressive print I’ve seen, done by Paul “Screal” Candler. Paul’s one of the masters at configuring netfabb, a software package that slices and now acts as host software, and he laughs (probably laughs insanely) at other FMD high-resolution prints.

Here’s his copy of Yoda at a 0.02mm perimeter layer height:

Yoda by Screal

That’s not a typo, either: 0.02mm. 20 microns. 0.000787 inches. Holy crap, Paul!!

This was done using the 1/2 layer feature of netfabb, which is similar to the new Skin module in skeinforge 42+. It causes the infill of the object to be done as normal but prints two perimeters, each at 1/2 the normal layer height. For those of you thinking that Skin is somehow cheating, the infill is still at a big, fat 0.04mm… which is still frickin’ amazing and still definitely ‘holy crap, Paul!’

And a couple more from Paul.. One’s the “spinnyJiggyVase” again at 0.02mm, in a nicely artsy pose:

And, ’tis the season for scary, the DevilHead, at 0.04mm perimeter height:

Yoda seems to be the new calibration cube with the Ultimaker crowd.. Here’s another one, this time from Bill Culverhouse. I don’t have details on the print but it looks pretty cool with the lighting (though he needs to shave his ears). Looking at it closely, I’d guess this is down around 0.075mm or so layer height: (edit: it’s 0.08mm layer height)

A copy of Beethoven Bust from Thingiverse user Fabberworld at 0.12mm layer height. The slicing code in netfabb really shows its stuff in this one..

I almost didn’t include this one from Joel “Misguided” Chia because I wasn’t sure what I was looking at.. It’s a copy of the “Faerie Bottle or Bud Vase” – after you take a look at this picture, go look at the Thing then look at the picture again.. It’s really pretty cool. Next time include a reference object, Joel!

Here’s another from Paul Candler, a spiral bevel gear. I’m not sure if this is a 0.02mm or a 0.04mm perimeter but, either way, check out the quality of the infill on top – nice!

Bradley, who I got to meet at MakerFaire NYC a few weeks ago, sent these pictures of the Pink Panther Woman (the other Ultimaker calibration cube) along. Not sure on the print details are here but he says it’s his first print with netfabb…

Back to Yoda! This time from Hrvoje Čop. He says this was printed at 60% scale which, if you look closely at the detail here and think about the misery of tiny prints (if you have a 3D printer, that is.. if not, know that tiny prints are notoriously painful), is pretty darn good:

Florian “flouSH” Horsch is another wizard with netfabb – cohort of Screal.. Here’s his print of Jordan Millers High Resolution Stanford Bunny, printed with 0.08mm infill and 0.04mm perimeter, fresh off (er.. actually still on) the printer with just a little cleanup to do: (netfabb doesn’t have Comb, which is one of my favorite Skeinforge things). Check out the bottom of the ears – overhang central, there..

And what looks like another copy of a spiral bevel gear. Not sure of the settings on this one but probably similar to the bunney above. Again, beautiful infill on this. Florian’s got a whole album of stuff, too much for me to copy here, that you should check out, too..

Here’s more from Bradley. I wish this was a higher resolution picture but for those people that think the Bowden setup kills the Ultimakers usability, I think Bradley might disagree. This one’s via netfabb with 0.06mm perimeters:

He’s also got a copy of “Elvis, the Printable(?) Skull“. Er.. I’m not going ANYWHERE near why this is named Elvis.. Again at 0.06mm on the perimeter:

And another from Hrvoje Čop. Don’t have print details here but it looks pretty cool..

From Jordan Miller, not a print but a picture of a print. He stole a copy of Yoda off the Ultimaker table at MakerFaire:NYC and put it under a microscope. I’ll just quote Jordan here:

… You can see with the scale bar… we have 162 pixels = 1 mm. The average layer height in that pic is around 12 pixels, or 0.074 mm (That is 74 microns). And that orangey low res looking thing on the left? That’s not a print… that’s my finger. …

See all those blobs? And the way the layers don’t really line up nicely? Neither do I. Check out the Hive76 article he wrote about this, too.

Bernhard Kubicek‘s been doing tons of work on firmware improvements. I think he’s the one that got us all off the stock “5D” firmware and onto Sprinter and lately he (and others!) have been kicking ass getting Marlin all happy.

Here’s Bernhards copy of the OK Hand, done at 0.09mm layer height. This was done during his Marlin testing – you can see some X or Y skips futher down the finger but the detail toward the fingertips is pretty impressive:

I almost passed over this one of the nautilus from Bernhard but then realized that’s an M3 bolt sitting next to the object, which sorta puts it into a different perspective (and I’m sure that’s why he included it..) He notes that the ripples are caused by acceleration so I’m guessing this was early in his Marlin testing – I think those issues have been fixed..

Last, Taylor Alexander got ahold of a Stratasys demo object. I’m going to end this post.. this post that seems to have taken a year to write (and probably read.. sorry!) with his picture of this and a couple prints that Ultimakers have done of this, since the STL showed up on Thingiverse..

The Stratasys print, which Taylor measured at around 0.25mm layers, is pretty damn nice. In particular, the infill is very impressive..

Screal, of course, jumped on this STL, though he toned things down to only 0.04mm on the perimeter.. Take a really close look at the top of this print – if he’d done this in white, I have no doubt it’d be hard to tell from the commercially-made version:

And one more from Bradley, at 0.06mm perimeter:

Wow.. Epically long post (for me, anyway) but now, the next time you hear somebody say “sure Ultimaker’s psychotically fast but what’s the print quality like?” you know exactly what to say…

[Reposted from bernhardkubicek]

[bernhardkubicek] Because I can. Thanks to Joris www.facebook.com/europerminutedesign for the model.

Fri, 14 Oct 2011 08:03:24 GMT

Because I can. Thanks to Joris www.facebook.com/europerminutedesign for the model.

Ultimaker Marlin with 0.09 mm layer height, 2h printtime.

[Reposted from bernhardkubicek]

[bernhardkubicek] Ultimaker Marlin firmware has big progress. Now many many settings can be cha...

Mon, 10 Oct 2011 23:09:21 GMT

Ultimaker Marlin firmware has big progress. Now many many settings can be changed in realtime, and print quality just become even more awesome. XY-jerk velocity >20mm/sec made a incredible difference.

[Reposted from bernhardkubicek]

[bernhardkubicek] (Video)

Mon, 10 Oct 2011 23:09:15 GMT

[Reposted from bernhardkubicek]

[alphabet] @wizard23 explains 3D printing for the #n9hackathon visitors

Mon, 10 Oct 2011 15:41:56 GMT

@wizard23 explains 3D printing for the #n9hackathon visitors
via thp4

[alphabet] @wizard23 explains 3D printing for the #n9hackathon visitors

Mon, 10 Oct 2011 15:40:30 GMT

@wizard23 explains 3D printing for the #n9hackathon visitors
via thp4

[bernhardkubicek] Beta test print of 0.04mm (40 micron) (~0.0015749")

Fri, 07 Oct 2011 05:37:51 GMT

Beta test print of 0.04mm (40 micron) (~0.0015749")

An early Beta example of what is now the default Ultimaker "Ulta Quality" profile, external later height: 0.04 mm (40 micron) (~0.0015749")

[Reposted from wizard23]

[bernhardkubicek] (Image)

Tue, 27 Sep 2011 07:32:56 GMT

[Reposted from bernhardkubicek]

[bernhardkubicek] yoda from thingiverse. May the leia height of 0.09mm be with you...

Tue, 27 Sep 2011 07:32:54 GMT

yoda from thingiverse. May the leia height of 0.09mm be with you...

[Reposted from bernhardkubicek]

[bernhardkubicek] (Image)

Tue, 27 Sep 2011 07:32:49 GMT

[Reposted from bernhardkubicek]

[bernhardkubicek] Hands from thingiverse, 0.09mm layer height. skeinforge 42+skin

Tue, 27 Sep 2011 07:32:46 GMT

Hands from thingiverse, 0.09mm layer height. skeinforge 42+skin
+reversal.

[Reposted from bernhardkubicek]

[bernhardkubicek] (Image)

Tue, 27 Sep 2011 07:32:38 GMT

[Reposted from bernhardkubicek]

[bernhardkubicek] Alberts wanted part, to fix hard drives in some enclosure.M3 screw. 0.09mm la...

Tue, 27 Sep 2011 07:32:35 GMT

Alberts wanted part, to fix hard drives in some enclosure.M3 screw. 0.09mm layer finish. skeinforge42+skin.

[Reposted from bernhardkubicek]