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July 12 2015

It’s Alive!

scopeMore progress with our vintage metal detector today. Fired up the oscillator section of the PCB and its working away at 126kHz…. very close to design frequency.

 

We’re going to continue to work on it, with the intention of having it ready for Dublin Maker in less than 2 weeks time. Pics of the ongoing build here.

July 10 2015

Death Metal Vocals Workshop: Guttural Screams and Piercing Shrieks

July 09 2015

Art Workshop at i3 – Intro to Acrylic & Painting Basics

Description: Ever wanted to get into painting or learn some new techniques? Join me, Aaron Greenwell, for an introductory to Acrylic Painting and Painting basics at i3. Aaron Greenwell has a BFA in Sculpture from Wayne State and has spent a lot of studio time learning various painting and art processes. You will have a […]
July 15th (Wed): NYC Mesh Meetup

July 08 2015

i3 Alley Cat Race

The i3 Bike Zone is hosting the first i3 Alley Cat Race on Saturday the 11th 1pm – 4pm. It’s kind of like a scavenger hunt on bike. Are you secretly the best at finding quick routes around town? Show off your skills at the i3 Alley Cat. There will be prizes. A $2 donation […]

July 06 2015

Lasersaur, Android Netrunner & laser cut tokens…

Intokens-cut05 recent weeks, a few of our board game fanIMG_20150423_214215aIMG_20150423_213524tics have met on Friday evenings in Tog. We have played some games, we laughed & decided to utilize laser cutter to make extra sturdy Acrylic tokens for a game called Androind: Netrunner. A good bit of graphical artwork was already online (thx for a great design) and after some manipulation it was ready to be cut. Other designs had to be done from scratch. So far we have designed & prototype cut all the regular size tokens. There is a plan to cut large size Credits Sets as well.

Android: Netrunner is an asymmetrical Living Card Game for two players. Set in the cyberpunk future of Android and Infiltration, the game pits a megacorporation and its massive resources against the subversive talents of lone runners.tokens-cut04

Corporations seek to score agendas by advancing them. Doing so takes time and credits. To buy the time and earn the credits they need, they must secure their servers and data forts with “ice”. These security programs come in different varieties, from simple barriers, to code gates and aggressive sentries. They serve as the corporation’s virtual eyes, ears, and machine guns on the sprawling information superhighways of the network.

In turn, runIMG_20150423_213502ners need to spend their time and credits acquiring a sufficient wealth of resources, purchasing the necessary hardware, and developing suitably powerful ice-breaker programs to hack past corpoIMG_20150504_201305rate security measures. Their jobs are always a little desperate, driven by tight timelines, and shrouded in mystery. When a runner jacks-in and starts a run at a corporate server, he risks having his best programs trashed or being caught by a trace program and left vulnerable to corporate countermeasures. It’s not uncommon for an unprepared runner to fail to bypass a nasty sentry and suffer massive brain damage as a result. Even if a runner gets through a data fort’s defenses, there’s no telling what it holds. Sometimes, the runner finds something of value. Sometimes, the best he can do is work to trash whatever the corporation was developing.tokens-cut01

The first player to seven points wins the game, but likely not before he suffers some brain damage or bad publicity!

More about the game: https://www.fantasyflightgames.com/en/products/android-netrunner-the-catokens-cut06rd-game/

Would you like to try to laser cut your own designs? Come along to our ongoing (every second Monday) CAD workshop in Tog. Looking forward to see you here – 6th of July 2015.

This Thursday: Light Up Your Work with DIY LEDs

2015-07-02 14.18.16 2015-07-02 14.18.59 2015-07-02 16.16.44 2015-07-02 14.26.05

If you want to learn to use LEDs, here’s your chance. This Thursday in Pilsen, I’m teaching a free workshop on them, covering basic electronics theory, diagrams, and breadboarding circuits. (the pix are from last week’s workshop, same thing.)

I’m exploring LEDs in eTextiles so instead of soldering, we’ll finish by breaking out the copper tape, conductive ink, and stainless steel thread. (Everyone gets free samples to take home.)

Participants will learn to design a basic LED circuit, choose appropriate components, and embed circuitry into projects using fiber and paper craft tools. After a crash-course in basic electronic theory, participants can opt to test their circuits out on breadboards and experiment with conductive thread, ink, fabric, and adhesives that are designed for flexible circuit-making. Workshop attendees are invited to bring in their own works-in-progress and/or materials for experimentation.

Parking is free of charge. Entrance to Mana Contemporary is on the east side of the building. Please press bell to be buzzed in. Front desk staff will be available to give directions to the Workshop Space.

 This event is free and open to the public. Registration required.

Hosted by: Artist Jesse Seay, UIC Free Art School, and the UIC Maker Space Residency at Mana Contemporary Chicago

The workshop is free but RSVP is required.

And next week at PS:One…

On Monday, July 13, I’ll be hosting: Stitch n’ Solder, from 7-9pm.This is a casual hang out to work on your own electronics, knitting machine, and e-textiles projects. Trade advice, troubleshoot, and socialize. Visit the link for details, please.  (This is open office hours, not a workshop.)

 

July 04 2015

First Ever Test of the 3.5 Liter Syringe Extruder

My last post showed how I made a plunger for a 3.5 liter syringe.  Today’s post is the results of the first ever test of that syringe assembly including the plunger.  The goal of the test was to determine if the syringe pusher would be able to push very thick, viscous paste (sort of like melted chocolate) out of the 1/4″ syringe nozzle.  It was also a test of the ability of the previously made silicone plunger to maintain a seal even against whatever pressure develops inside the syringe as it is pushing.

I mixed about 1 liter of extra thick pancake batter to a consistency that I thought would be much thicker than molten chocolate (pancake batter is much cheaper than chocolate) and shoveled it into the syringe, then bolted on the pusher and hooked it up to a power supply:

Looking back, I probably should have loaded the syringe from the other end.

Syringe loaded with super thick pancake batter.

Syringe loaded with super thick pancake batter.

 

 

 

 

 

 

 

 

 

 

 

Here’s the actual test.  It gets especially interesting about 1 minute in:

The syringe continued drooling after power was removed due to air that was trapped inside the syringe.  As the plunger pushed, the air was compressed.  When the motor stopped the compressed air continued to push out the batter.  I will have to be careful to eliminate air bubbles in the material when it comes time to use this in a printer.

It only took a couple minutes to clean out the syringe after the test was done.

The pusher did its job much better than expected, and the plunger held up just fine, too.  I feel confident that this device will be able to extrude chocolate.   Now the real work begins…

Dublin Maker 25th July

DM_SGhoempage

Dublin Maker is a one-day, hands-on, family-friendly, free, outdoor celebration of making on the Physics Lawn at Trinity College Dublin from 10am to 6pm on 25th of July. We are very proud to be a supporting group again this year . Dublin Maker takes the form of a ‘show and tell’ experience where makers demonstrate what they are making, and share what they are learning.

Makers range from tech enthusiasts to crafters, educators, tinkerers, hobbyists, engineers, artists, science clubs, students, authors, and commercial exhibitors. They are of all ages and backgrounds, coming from all over Ireland and beyond. Dublin Maker will feature over forty groups of makers from across the country. Check out the full list of makers.

Our Members will be showcasing some old and new projects;

  • Skull Radio – A bone conduction project that allows the user to listen to sounds without using their ears.
  • Duck shooting gallery – lasertag for ducks.
  • Ring The Bell – aka High Striker carnival  style game were people can hit a pad with a big hammer and see their strength.
  • Tachyonic Antitelephone – receive mysterious printed messages from your future self  Spectral forms: Watch and listen to your brain waves in real time, using an eeg device and some custom software.
  • TOG Lockpickers – Come and give lockpicking a try. Demonstrations of different locks throughout the day as well as hands on lockpicking tutorials from TOG’s very own lockpickers. Have your own lockpicks? Come and test your skills against TOG’s ever growing collection of Love Locks from Dublin’s own Ha’penny Bridge

July 03 2015

Making a Plunger for a Chocolate Syringe

My latest project is a 3D printer that will produce chocolate objects.  Like many other chocolate printers, it will include a syringe to dispense the chocolate.  Unlike those other printers, the syringe in my printer will have 3.5 liter capacity to enable printing large objects.

The syringe is made from PVC pipe using mostly standard fittings.  One piece that wasn’t standard was the plunger that fits inside the syringe tube and pushes on the chocolate contained therein.  I had to design and fabricate the plunger.  PVC pipe isn’t perfectly smooth or perfectly round inside, so I needed something compliant enough to ride out the pipe’s bumps and constrictions while maintaining a seal.  The seal needed to be tough, yet safe for use with food because it will be in contact with the chocolate inside the syringe.  I found some food-grade silicone casting material and ordered it.

While waiting for the silicone to arrive, I designed a 3D printable core for the plunger and a mold and jig.  The core fits on the end of a linear actuator that will provide the push.  The jig centered the core a few mm above the bottom of the mold.  The mold was tapered and the widest part -the bottom- was a few mm larger diameter than the pipe, and several mm larger diameter than the core.  The silicone envelops the core and is locked in place by holes that connect top and bottom side of the core.  The plunger squeeze-fits into the pipe to maintain the seal against the uneven inner surface of the pipe.

Mold, jig, and core for syringe plunger

Mold, jig, and core for syringe plunger

Mold, jig, and core for syringe showing core inserted into jig.

Mold, jig, and core for syringe showing core inserted into jig.

 

 

 

 

 

 

 

 

 

Mold, jig, and core assembled for silicone over-molding.

Mold, jig, and core assembled for silicone over-molding.

I measured and mixed the silicone, coated the core with it and then set the core and jig in/on the mold and let it cure for 24 hours.  Then I removed the jig and broke the now silicone covered core out of the mold.  Result: a perfect, tight fit inside the syringe tube.

Core in mold with silicone.

Core in mold with silicone.

 

 

 

 

 

 

 

 

 

 

Finished plunger removed from the mold.

Finished plunger removed from the mold.  The mold had to be broken off by design.

 

 

 

 

 

 

 

 

 

 

 

Plunger mounted on linear actuator.

Plunger mounted on linear actuator.

 

 

 

 

 

 

 

 

 

 

 

 

The assembled syringe.

The assembled syringe.

July 01 2015

HackFriday 2015

30. Juli: PrEvoke

Ihr kommt zur Evoke? Ihr möchtet Euch schon vor der Evoke richtig auf diese großartige Demo-Party einstimmen? Perfekt! Dann kommt zur PrEvoke 2015.

Just Fucking Do it, or: How a Little Bit of Anarchy Helped Me

Most of us have spent a significant amount of time throughout our lives asking for permission. From parents, teachers, supervisors, community leaders, peers and everyone else. It’s a normal, natural part of life, and if no one did it then things would likely be worse for it.

I’ve spent a lot of time doing things I probably should have asked for permission to do. In high school, I basically lived in our auditorium, doing technical theatre stuff. I drilled holes in walls, re-wired electrical devices, modified the structure to fit my needs and probably did a lot of stuff I don’t even remember. Some combination of the right level of oversight (thanks, Ken!) and a sense of independence granted by the venue inspired me (and my peers) to take the initiative. In college, I kept right on drilling holes in the walls and changing things to suit me. No one ever noticed, at least no one who would tell me to stop.

I’ve always known when I was doing something I should probably clear with someone, but I’ve often ignored it because it’s more expedient to ask for forgiveness, right?

I’m also someone who has a lot of projects. I have projects that some people like enough that I don’t even have to execute them any more. I have a project that’s a pretty significant piece of infrastructure at a hackerspace that is likely one of the busiest in the world by several metrics (I’ll give you three guesses for which one).

The thing I would point to as the number one contributor to my willingness to change things and press forward with an idea is my membership at Pumping Station: One. PS:One is the greatest place in the world. When I came to visit, I saw a place that was running because a few people wanted it to run. As I learned about the history, I heard a story of people who basically willed the organization into existence. People told me I should change things, that I shouldn’t always feel the need to ask for permission. Folks told me it was a ‘physical wiki’ and it was up to the membership to decide what content we would have. If it wasn’t for PS:One, I wouldn’t have done most of the projects I’m now proud of.

It took me a while to catch on (more time than it took me to start changing things at schools, where this kind of activity is usually frowned upon. That might say something about me.), it was a few months before I started changing things, alongside some of the folks who joined around the same time I did. I quickly fell into the rhythm. I continue to make  changes to the space, because that’s what our culture encourages (and that’s exactly what I encourage every new member to do). We’ve handed out more than one hundred RFID fobs to people, and they now get into the building with them using hardware I nailed to a door (I’m not kidding – come visit and see) that runs code I wrote. That baffles me sometimes, but it’s awesome.

PS:One has changed me as much as I’ve changed it. I now find myself casually contributing to open source software when I see the opportunity – the other day I absentmindedly submitted a pull request to fix a typo in a utility I used once (while trying to help solve a problem I reported in the Linux kernel). This kind of contribution should be more widespread, and if PS:One can accomplish one aspect of its goal, I hope it’s encouraging people everywhere to contribute however they can.

Some folks think it’s just a vulgar phrase on the wall, but ‘Just Fucking Do It’ is integral to what PS:One is, and it’s incredibly important to me and many other people. We radically and categorically reject the idea that you should ask for permission for most things, and I wouldn’t have it any other way.

 

June 30 2015

RPi workshop instructables

Da har vi fått levert 2 nye instructables i etterkant av workshoppen i mai:

Raspberry-Pi-orchestration
Raspberry-Pi-2-DIY-LED-LAN-device-counter

All Officers to the Bridge!

Starship Bridge

In preparation for our Artemis Simulator that’s going to be at Maker Faire Milwaukee, we’ve partnered with Betty Brinn Children’s Museum to build a realistic starship bridge. Here’s what we’ve got so far.

Starfleet never produced an episode of How It’s Made, so we’re going to have to do a little guessing along the way when building our bridge. Obviously we still need to install the EPS conduits, Tribble-proof everything, and get the self destruct system up and running. But we’ve got nearly 80 days to get it all done.

Don’t forget to bring your phaser to Maker Faire Milwaukee to check out the final build!

June 28 2015

B.Y.O.T. Tie Dye Summer Event, Friday, 7/3/2015

tie-dye-WEB

Bring your own t-shirt, or other white item, and fill it with fabric dye! B.Y.O.T. Tie Dye Summer Event with be Friday, 7/3/2015, from 6:00 – 9:00 pm in the upstairs arts and crafts area, a free event for members. A 100% cotton item works best such as a clean t-shirt, socks, a hat, apron., etc. Washing items is helpful if they are newly purchased but avoid fabric softener, which is oily and repels dye. Twelve bright colors in easy applicator bottles and all other materials will be provided for you to hand color your item.

June 25 2015

27.6. 7:30 PM: Metastellar Music Invasion 1.1

c-booc

    The Kickstarter campaign is over and we made it! Huge thanks to everyone!

 

 

27.6. 7:30 PM: Metastellar Music Invasion 1.1

Moldover and friends are invading our Mainhall for an evening of AWESOME. We’ll kick off the evening with some music-tech workshops and then dive into an eclectic program of meta-stellar beats and melodies.

Free event! Donations are graciously welcomed and go to support c-base and the artists.

moldover Timetable

7:30pm-9:00pm Workshops (see below)

9:00pm-2:00am Eclectic Demonstration with:
Eitch
Timo Preece
Alfred Ladylike
Moldover
Nonagon
…and more…

WORKSHOPS (7:30pm-9:00pm)

Moldover Makesmusic will premiere a sweet new presentation on how to create unique artworks by designing printed circuit boards. Learn about his Light Theremin CD case (https://youtu.be/T8UzSVFUIc0), The Voice Crusher USB/cassette instrument (https://youtu.be/bxhZDmq9tm8), and his new wearable LED Four Track Pendant.

Timo Preece will share his strategies for designing a custom live music performance setup (http://askaudiomag.com/articles/preparing-a-custom-live-music-performance-setup)

The official event page is at facebook (sorry 😉 ) (https://www.facebook.com/events/104533936553679/)

June 22 2015

Bullshit Bingo : Prix du mois de mai attribué à la Fonderie IdF

Il semble que les Hackerspaces soient à la mode en ce moment au vu des sollicitations que le /tmp/lab reçoit. A la mode surtout auprès des “institutions” en mal d’idées…

Nous allons donc attribuer régulièrement le prix “Bullshit Bingo” aux adeptes des innovations communautaires entrepreneuriales “data pitch hackers digitaux” situés dans les tiers lieux participatifs connectes #fun.

C’est quoi le Bullshit Bingo ?

bullshit-bingo

Pour ceux qui ne connaissent pas ce jeu, on le pratique par exemple dans les conférences technologiques. C’est un bingo classique sauf que les nombres sont remplacés par les mots à la mode du moment. Quand une ligne est remplie, un “Bullshit Bingo” bien bruyant doit retentir pour attester de la probable inanité du talk en cours.

Si ce n’est pas encore clair, vous pouvez visiter ce bon générateur de Bullshit Bingo dont les principes nous réjouissent et ne peuvent que nous donner des idées.

Le premier prix Bullshit Bingo a été attribué au mois de mai à La fonderie pour leur site web et leur recensement des initiatives régionales envoyé par mail :

Nous sommes en train de mettre à jour et de mieux qualifier nos informations concernant les espaces de bidouille, de fabrication, et de prototypage implantés en Ile-de-France, autant de lieux alternatifs de “production créative ».

Notre réponse qui vaut discours d’attribution :

Bonjour,

Merci pour cette proposition mais nous ne souhaitons pas vraiment
figurer dans votre annuaire cartographique.

Vous savez comment l’envahisseur anglais a réussi à dominer le
territoire des indiens d’Amérique ? Les indiens, pour aider le nouveau
venu, lui ont détaillé ce territoire qu’ils connaissaient intimement.
Et qu’ont fait les anglais de cette connaissance ? Il se sont empressés
de la mettre à profit pour écraser les autochtones.

Il se trouve qu’il existe déjà une excellente ressource en ligne pour ce
que nous faisons : hackerspaces.org. Elle ne vous a pas attendu et elle
fait son travail sans se soucier des frontières et du parisianisme.

Le /tmp/lab s’est toujours construit sur un regard critique sur la
technologie. Et comme vous le voyez, nous sommes loin d’épargner les
initiatives de votre type : vous incarnez une “innovation” d’État
creuse, centralisée, administrative, nourrie à la subvention, qui se
gave de hashtags.

À consulter votre site http://lafonderie-idf.fr/equipe/ on pourrait
penser que le seul mérite de vos dirigeants, c’est leur diplôme. Ce
label “Grandes Écoles et Universités de Prestige” n’est pas très opérant
dans nos domaines.

Diplômés comme vous êtes, vous goûtez sans doute l’analyse d’image et la
sémantique ? Que dire de celle de votre profil Twitter et de votre site
web :

visu-la-fonderie
Que c’est une superbe récupération de l’imagerie populaire des ouvriers
par de gentils bobos en col blanc, bien propres sur eux ?

Parlons de politique, puisqu’on y est. Vous a-t-on par exemple entendu
sur l’actuel et scandaleux Projet de Loi Renseignement ? N’est-ce pas un
sujet essentiel aujourd’hui pour qui entend être un médiateur des
“innovateurs” ?

De fait, quelle liberté de parole avez-vous ? Aucune. Vous êtes
dépendants du politique, de cette main publique qui vous nourrit et
vous musèle.

On finirait bien en vous disant de faire vous même votre bullshit job
(tm) au sein de votre structure parasitique, mais avec tout le respect
dû à votre personne, ça pourrait sembler méchant.

Et sinon, vous pensez qu’on pourrait avoir une subvention pour 2016 ?

Bien à vous,
/tmp/lab

Félicitations, donc.

À titre complémentaire nous leur donnons un prix d’honneur. Si notre réponse est restée lettre morte, la Fonderie a tenu en revanche à en informer la Médiathèque de Choisy-le-Roi ([edit] Nous sommes actuellement hébergés gracieusement par la médiathèque en contrepartie d’actions en faveur du logiciel libre). Avec élégance et certainement pour célébrer leur joie ! :)

A bientôt pour une nouvelle édition du Bullshit Bingo !

07-11-2015 Hackerville, REMnux

Hackerville We will be playing and discussing the Hackerville documentary.  REMnux         REMnux™ is a free Linux toolkit for assisting malware analysts with reverse-engineering malicious software. It strives to make it easier for forensic investigators and incident responders to start using the variety of freely-available tools that can examine malware, yet might be […]

Pizza Oven 1.1

oven2Our pizza oven was built as a bit of a hack over Christmas and New Year. After 5 months of operation, a bit of maintenance and a few minor mods were in order. A better flue, some re-jigging of insulation and foil and some re-pointing of bricks were done.

On Saturday 20th June, we fired it up for our regular open social event. It all worked as good as usual and everyone got fed! We had plenty of first time visitors to TOG too, who got the grand tour of the space. They’ve been keeping in touch with us on meetup and twitter. Pics of the maintenance here.

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