Planet Reprap - A RepRap blog aggregator

Buenas:
Soy un recién llegado a estos foros, y aunque llevo una semana leyendo por todas partes, necesito que alguien me ilumine un poco el camino. Si alguien me pudiese guiar un poco con las dudas que me van saliendo estaría muy agradecido.
Quería hacer una Prusa, bueno queriamos, ya que en todo esto de la mecanica, será mi padre quien mas se lo curre, a mi me tocará mas, la parte electronica-informatica. El caso es que después de mucho mirar, hemos llegado a la conclusión de que nos resultaba más facil hacer la prusa air, pues no resultaría dificil hacer las partes de metacrilato, y además de quedar "mas cuca", parece que usa menos piezas de plastico, y tornilleria en general, por lo que podría salirnos mas barata.
[reprap.org]

Antes de preocuparme de motores, electronica y demás, quería ir montando la estructura, pero para eso, el primer problema que me encuentro es el pastico necesario, pues todo lo demás que tiene la estructura podríamos conseguir sin problemas.

Lo cual me lleva a la primera duda, las piezas de plastico. ¿como podría conseguir las piezas de plastico necesarias en la prusa air? me he vuelto grilla para encontrar las de la prusa normal, y desde luego, no encontraré las de la "air".
Lo cual me lleva a mi segunda duda: Si compro las piezas de plastico de la prusa, aunque me sobren un montón de ellas, tendré todas las necesarias en la prusa air ¿no? ¿o son piezas diferentes?

Por ultimo, mas sobre lo mismo. ¿cual es mi mejor opción para comprar las piezas de plastico que necesito? ¿hay alguien de estos foros que trabaje bajo pedido?

Muchisimas gracias por vuestra atención.

That stuff about the twitter frame busting code is just so I don’t lose that snippet of code.  Plus, I suppose it might be useful to someone.

<script>
function bust () {
  document.write = "";
  window.top.location = window.self.location;
  setTimeout(function() {
    document.body.innerHTML = '';
    }, 0);
  window.self.onload = function(evt) {
    document.body.innerHTML = '';
  };
}
if (window.top !== window.self) { // are you trying to put self in an iframe?
  try {
    if (window.top.location.host) { // this is illegal to access unless you share a non-spoofable document domain
      // fun times
    } else {
      bust(); // chrome executes this
    }
  } catch (ex) {
    bust(); // everyone executes this
  }
}
</script>

[link]

Now that the D-Shape architectural-scale cement printer is online,
there's a plan to print one of my sculptures on it, 6' tall, to be
installed in Vancouver.

Donors get toys. And glory. And remote control of a light in the
middle of it. But mostly glory.

I recall having this problem with a site many years ago.
Basically we were setting absolute expiration times for the cookies, and
the client systems had the wrong timezone set so their UTC time was 10
hours fast and the cookies would expire immediately.
Not sure if that's what's happening here, but it's something to investigate

makerbot posted a photo:

Makerbot Industries LLC

makerbot posted a photo:

Thingiverse citizen Keff just shared this awesome “Weeping Skeleton Vampire Mummy Earphone Winder.”  The earphone cord works perfectly as a faux-bandage around the mummy’s head.  This is absolutely my favorite earphone winder of all time.  Keff says of his creation:

I got a little carried away making a winder for my new earphones.

Hey Keff – if this is you carried away, don’t ever let anyone carry you back!  This is AWESOME!

builttospec posted a photo:

Pics of my in development CNC platform, the R3.

builttospec posted a photo:

Check out the the NY Times’ Gadgetwise blog, or yesterday’s print issue of the Times, for a quick FAQ on The Replicator! Warren Buckleitner wrote the piece, “A 3-D Printer for Under $2,000: What Can It Do?” after visiting the MakerBot booth at CES. He answers such burning questions as “What does a 3-D printer use?” and “How long does it take to make a plastic chess piece?” For more info, watch the video interview above that Buckleitner did with MakerBot’s  John Dimatos.

You might be awarethat there is a new addition to the RapMan family.
The RapMan 3.23D printer was launched in November last year, but did you know that you can now upgradeyour current RapMan 3.0 or 3.1 machine to the newest model? 

RapMan 3.2 3D printer

Touchscreen technology now available on RapMan 3D printers

This month I got the awesome experience of going on a business trip to Las Vegas for the 2012 Consumer Electronics Show. My company was there launching our new Cubify.com platform and Cube 3D printer.

The show was a blast! Our new products were a hit and our booth was packed the entire time. I can’t even begin to count how many people I spoke with in the booth, I was pretty much loosing my voice by the fourth day of the show lol.

I didn’t have too much time to see all of the rest of the show due to the constant stream of people in our booth. The size of the crowds at this show were wayy larger than the crowds at the Maker Faire’s I have had booths at in the past. Helpful hint when working a trade show; always keep tons of water and throat lozenges around.

I’ve lowered some prices; Igus polymer bushings are now $0.90 a pop, and Prusa Mendel leadscrews-and-nuts sets are now only $50—actually cheaper than you can get the parts directly from Misumi. Pick some up today!

I just played with animating a displacement modifiers in blender today This is also the first blender animation I made that has sound. The sounds have been generated with pure-data and then synced to the video using ardour

you can download the blend file here

 

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Después de quedar la semana pasada con misan y mifervi me he decidido a hacer mi propio impresora :)

Os pongo en antecedentes: Estudio arquitectura, y quiero hacer piezas para maquetas con la impresora. Estoy intentando que el proyecto sea low-cost, tanto por razones económicas como por un intento a ultranza de reciclar y reutilizar todo los materiales posibles. A ello ayudan dos cosas:

- Tengo un amigo con una máquina de corte láser industrial que me cortará la estructura en acero de 1.5 mm.
- Mi padre tiene una empresa dedicada a las fotocopiadoras de las que puedo reciclar piezas desguazadas.

Por ahora tengo lo siguiente:

- Motores nema 17 a mansalva. Muchos. Las fotocopiadoras los llevan de serie! Son de una compañía china, y son del modelo stp-42D, 1.8º, 4.5 ohmios ( [www.shinano.com] ). Me da la sensación de que son un poco pobres en par, quizás por eso vengan montados con una reductora 1:4. Con la reductora puesta el motor tendría que dar cuatro vueltas para que la salida dé una; eso son 800 pasos por vuelta. He de estudiar si el par es suficiente, por que si no lo es, la verdad es que 800 pasos por vuelta está MUY bien. Y si sí es suficiente, tendría 200 pasos por vuelta. (incluyo foto)

- Motores nema 23 (por ahora 3 disponibles, pero seguro que aparecen más). Son de una compañía japonesa, modelo 23km- k381- 05v
[www.eminebea.com] (incluyo foto)

- Finales de carrera ópticos (otra vez, de una fotocopiadora)

- Correas, engranajes.... de las fotocopiadoras. Muchos, de muchos tamaños, formas...

- Base de escaneado de una fotocopiadora tamaño A3. Esto en realidad es una oportunidad más que la idea original... pero ya hay un sistema de correas y un motor montado con reductora y todo que puedo usar para el eje Y, y no quiero dejarlo pasar :)

Quiero basar el diseño en la prusa air, pero tengo que cambiar el diseño; primero por la base de escaneado que quiero usar, y segundo por que mi amigo me cortará la estructura en planchas de acero de 1.5 mm en vez de en metacrilato de 6mm., y quiero que la pieza de rigidización transversal enganche hacia abajo en vez de hacia arriba.

Iré posteando los pasos que doy, por ahora os voy poniendo algunas fotos.

Un saludo!!

He escrito esta Guía de calibración de la impresora Prusa Mendel para ayudar a los clones de Clone wars a poner en marcha sus impresoras. No son instrucciones completas, sino más bien orientativas, y que iré completando poco a poco. Es la guía que seguí para poner en marcha las impresoras Maese artorius y Mardan.

La guía incluye los ficheros con mi firmware calibrado, piezas de pruebas, el Pronterface + Skeinforge 41 y los perfiles que utilizo para imprimir. Los detalles están para el entorno que yo tengo: Ubuntu 11.10, pero Maese artorius y Mardan lo instalaron en Windows y les funcionó bien.

Firmware: Sprinter

software: Printrun + Skeinforge 41

Obijuan

We like talking to people who are as potty about3D printing as we are, so imagine our excitement when we found that a UK-basedartist is using one of our 3D printers to make ceramic pot. The artist JonathanKeep has been using an adapted RapMan printer to extrude clay to build uplayers making beautiful pieces in his workshop in Suffolk.

You can see what printingin clay looks like here:

Noise pots and Sin Cos pots 11 x 8 cm

To see more designs and for information on 3D printing withceramics, go to Jonathan’s websiteand blog.


What are you using your RapMan for at the moment? We are always interested to hearabout your original and interesting prints, so please get in touch.

The Top





and bottom piece





and first part is complete, now i have to figure out how to get the to parts together..

Essential Dynamics have released the Imagine 3D Printer that can print in silicone, epoxies, organices, cheese and most importantly: Chocolate!

When I’m discussing 3D Printing, most people (not all, but most) can’t see the use for being able to print anything. After I mention that there are chocolate printers – their eyes light up they order me to “Get one of those and start printing your fingers off!”

But jokes aside, 3d printing in Chocolate and other food stuffs is (and if it isnt – it SHOULD be!) a part of Molecular Gastronomy – the science of cooking.

The printer can also print in other mediums such as epoxies and the rather untouched field of silicons. Of course, don’t mix up your syringes.

The printer comes in at around $2995 and has $295 shipping.

When starting out with 3D printing there are often questions about generating the g-code that is used to drive the machines.  With BfB machines this is done with the Axon 2 program …. So it looks like the guys at BfB have created a very comprehensive manual for Axon and some supporting videos. Worth reading as many of the problems have simple solutions that have been fully documented already.... And there is some great advice about designing your objects, rafts, fills, layers, speeds, support material, wall thickness etc.

The video clips can be found here www.youtube.com/axon3dsoft

And the manual can be found by visiting the "Support>technical resources" section of the website (button on the blue bar at the top of the BfB website pages) then click on the "how to print" link alongside the pictures of the different printers, and finally click the Axon picture at the bottom of the page (sorry for the long description, I couldn’t post a link as you would need the login details and password for that section of the site)

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Cette semaine, on se lance dans un projet touffu: la sérigraphie. Au programme: fabrication d’une table à insoler, insolation d’un cadre et tirage du tout premier t-shirt barbu…

Quelques remarques sur l’épisode:
D’abord un petit mot pour m’excuser sur la qualité pitoyable de cet épisode pour plusieurs raisons:
- on a eut un problème avec le son de la caméra principale et donc j’ai été obligé au montage de me rabattre sur le son de la deuxième caméra
- ensuite comme vous pouvez le voir, au bout de quelques temps, l’humidité s’installe dans la grotte et sur la lentille de la caméra, ce qui donne ce côté flou et degueulasse
- enfin pour le montage… une horreur principalement parceque c’était très dur de monter cet épisode, le dernier auquel Edouard (ou @Doud) pourra participer. J’ai essayé d’en faire un exercice cathartique mais au final c’était juste super dur, donc j’ai essayé de faire le montage le moins pire possible… en essayant de préserver quelques moments particulièrement fun qu’on a passé à tourner cet épisode.

Quelques remarques sur la sérigraphie:
- c’est un procédé vraiment génial mais qui demande du temps et pas mal de matériel
- certains coups de main sont important, comme le coup de raclette pour l’émulsion photosensible sur le cadre, mais au bout de quelques tentatives, on devient pas mauvais du tout.
- en cas de doute, n’hésitez pas à prendre conseil chez un professionnel, si il a le temps et l’envie, cela vous évitera pas mal de bêtises et de gâcher du matériel.
- la sérigraphie c’est beaucoup de préparation et beaucoup de travail mais le résultat est vraiment génial.

Vous pouvez télécharger le guide de l’épisode dispo en pdf ici.

Quelques photos de la fabrication de la table à insoler:

Quelques photos du résultat:

Encore quelques tofs…

Enfin un dernier petit mot pour vous dire que d’ici quelques semaines, un lot de tshirts sérigraphiés seront disponibles dans le shop, fabriqué par mes gros doigts poilus avec ce matos de sérigraphie… donc encore un peut de patience.

Comme d’habitude tous vos commentaires sont les bienvenus

On Wed, Jan 25, 2012 at 2:08 PM, Benjamin Nortier
Right.. and another complicating factor is that you can technically do CSG
on top of b-reps ;-) Or at least, it's my understanding that CSG always
refers to just "making a tree of some unit shape, plus some boolean
operation" w/o care for what the shape format is.

On Wed, Jan 25, 2012 at 12:32 PM, Andrew Shindyapin <
This is changing with OpenJSCad: [link]
I don't see how that changes what I said. That's for boolean operations on
tessellated meshes (planar). The math is very different...
- Bryan
[link]
1 512 203 0507

Click here to view the embedded video.

Alberto Valero y nuestros friki-estudiantes me han dedicado este vídeo de despedida. Me ha encantado

¡Muchas gracias!

Obijuan

Bre recently posted this on the MakerBot blog, and it seems appropriate to repost here:

Here at MakerBot, we make open source hardware and we freely share digital designs for our products on Thingiverse.com. As a business, we strive to be a model for the bold companies of the 21st century that embrace sharing. You can download the design files for the things we sell on Thingiverse.com.

We created Thingiverse to be the digital design sharing utopia of our dreams. Thingiverse.com integrates with open licenses that encourages Thingiverse users to let others copy and change their work so that others can stand on their shoulders and create the products of tomorrow and the solutions for the next generation. Every day I look on Thingiverse and say “Wow!” when I see the new things that have been shared. People who upload designs to Thingiverse are my heroes.

Things, and digital designs for things, are very different than other types of media. Copyright doesn’t work the same way on things as it does with music, movies, and books. If you’re into exploring the intellectual property landscape of things, you need to read “It will be awesome if they don’t screw it up” by Michael Weinberg.

The Pirate Bay announcement of a new category for digital designs is interesting because it’s another place where people can share digital designs for real things. As a technology, torrents are particularly great for super mega giant files because they distribute the downloading load and I’m curious to see what kinds of things will begin to show up in that category. Because The Pirate Bay takes a bold, no-holds-barred approach to sharing, I’m sure there will be controversies as companies and people who long for the proprietary days of the 20th century come to terms with the raw power of contemporary sharing technology. Cue squeaking of the world’s tiniest violin.

In the contemporary age of sharing, those who share will be the leaders of tomorrow. The sharers will be the ones who will emerge in the 21st century as winners in the rapidly changing innovative landscape. I’ve consistently advised individuals and companies to push their comfort level and share more. If you have a company that feels threatened by the idea of someone sharing digital designs for your products, I suggest you join the sharing community and share those design files yourself on Thingiverse.com.

Click here to view the video on YouTube.

http://www.ted.com/talks/lisa_harouni_a_primer_on_3d_printing.html

Good introductory video on 3D Printing.

She discusses the major challenge (creating the designs) and the goes on to the uses of 3D Printing such as printing items to repair something and mass customisation.

A good video to show to people when they ask “What is 3D Printing?”