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There’s something amazing happening at Jigsaw every day.  Today, we captured some pics of Jigsaw Member Tamara Clammer’s R&D process for a Concord International Elementary School project.

Tamara is developing headdresses for Concord’s Spring production of Swan Lake.

tamara_with_swan tamara_at_desk

Looks fantastic!

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Today is Pi Day everyone!  Jigsaw celebrated in style thanks to Monica’s famous Pi Pies!

piday

Member Pat also brought in celebratory Pi fruits and Pi ice creams.

In all the fun, we noticed that one of Pat’s fruits laid across one of Monnica’s pies along the diameter nicely, and we decided to do a little measuring.  We found that the pie’s circumference was exactly 22 centimeters, and the fruit was just over 7 centimeters.  For some irrational reason, we can’t seem to exactly measure the fruit, but Michael’s promised to bring in a higher precision calliper which might do the trick.  In the mean time, here’s where we’re at so far with our equation:

3.1415926535897932384626433832795028841971693993751058
209749445923078164062862089986280348253421170679821480
865132823066470938446095505822317253594081284811174502
841027019385211055596446229489549303819644288109756659
334461284756482337867831652712019091456485669234603486
104543266482133936072602491412737245870066063155881748
815209209628292540917153643678925903600113305305488204
665213841469519415116094330572703657595919530921861173
819326117931051185480744623799627495673518857527248912
279381830119491298336733624406566430860213949463952247
371907021798609437027705392171762931767523846748184676
694051320005681271452635608277857713427577896091736371
787214684409012249534301465495853710507922796892589235
420199561121290219608640344181598136297747713099605187
072113499999983729780499510597317328160963185950244594
553469083026425223082533446850352619311881710100031378
387528865875332083814206171776691473035982534904287554
687311595628638823537875937519577818577805321712268066
130019278766111959092164201989…

http://www.piday.org/

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Desk member Tom spent part of Tuesday happily hacking on some old relay boards salvaged from a defunct pipe organ. These devices were used to switch ranks of pipes in and out, but who knows what new purposes Tom will put them to?

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Jigsaw Renaissance was fairly buzzing with activity this afternoon. Ben & co. were feverishly preparing for this evening’s screening of a rough cut of Gamers. There was some cross-pollination going on between Team Elcano and RaaSIO. Scott was getting yet another 3D printer up and running. And those are just the folks I managed to take pictures of.


If you haven’t been to JR in a while, you really should come by. You might not recognize the place, things have changed so much in just the past couple of months.

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The Arduino Meetup met at Jigsaw last Friday. The night’s project was to make strands of EL (electroluminescent) wire beat to members’ own pulses. Using the Arduino-compatible pulse sensor, available at pulsesensor.com, and the EL Escudo from SparkFun, members soldered, assembled and programmed all evening. One of the most difficult activities was attaching JST pins to strands of EL wire. The delicate strands had to be stripped of their outer plastic shell and delicately cut open with an X-acto knife; then the tiny wires had to be carefully soldered to the wires on the JST pin. Everyone persevered until each person had an EL wire that beat to his or her own pulse.

Also, there were circuit board cookies! Don’t miss the next meetup.

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Monica is busy making circuit board cookies for tonight’s Arduino meetup.

They’re so realistic!

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Space is limited for Scott’s inaugural 3D printer workshop on Saturday. Over the course of five hours, you will build your very own 3D printer. Email Scott for more information and to reserve your spot. Don’t worry, there will be other workshops if you can’t get in this time.

In the video below, you can see one of Scott’s printers printing parts for the printers that will be built during the workshop. Crazy!

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New Jigsaw desk member Scott is a 3D printing enthusiast. He brought in practically all the components of a Prusa printer, shown here laid out on his desk. Note in particular the extra-powerful NEMA 17 stepper motors, the Smoothie controller board, and the roll of <hushed tone>nylon 618</hushed tone>. (Oooooh.)

If none of that made any sense to you, come down and let Scott tell you all about it. He’ll be assembling those pieces into a working 3D printer, letting anyone who’s interested watch. He’ll also be leading workshops in which people will build their own printers and controller boards. Exciting stuff! Stay tuned for details.

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