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Showing posts from October, 2016

DIY Halloween: Unicorn Light Up Hoodie

This tutorial is a combination of the DIY unicorn hoodie tutorial I found on Pinterest and Adafruit's light up unicorn 3D print tutorial. I used some supplies from Adafruit's candle bows that we made a few years back instead of buying new materials. You can buy the sewing conductive kit separately on Adafruit without the bows.  I won't go through every excruciating detail but here are some tips that they don't mention and a few workarounds that worked for me based on my supplies. 
Supplies needed from both tutorials:  Hoodie (dress in my case) Yarn 3D printed Unicorn Horn with LED base 3D printer with clear PLA filament (I didn't use flexible as the tutorial calls for and it was fine) 1 LED (11mm tall X 7.91 mm wide) Conductive Thread Needle (small enough the fit through the battery holder brass side holes. In the Adafruit kit, I used the smallest needle on the right) Battery Holder Regular Thread Felt (not necessary but handy- see bottom note) Safety Pin Scissors
U…

More 3D printing opportunites

Think of all the kits in your collection that may have been thrown away because the parts could not be replaced! I recently designed a replacement xylophone mallet for a circulating children's kit. Thanks to the digital caliper I was able to measure the dimensions from the old one on the right (was it chewed!? these mysteries bother me) and added some upgrades like a handle using premade shapes in Tinkercad to the new one on the left. Since printing in PLA isn't as strong as the typical ABS plastic, I made a thicker bottom. This printed in 2 hours and took me 15 minutes to create in Tinkercad. Just another example of staff using the 3D printer in their daily lives!


Speaking of which, Halloween is coming up so this year's costume was inspired by an Adafruit tutorial on lighting up a unicorn horn.   The library staff has decided to be storybook characters this year so it was right up my alley. The free horn, including a bottom to fit an LED and sew-able clips, took 2 hours t…

DEMCO has a makerspace section

DEMCO, a huge retailer of all things library, released a makerspace section of their website that offers furniture solutions like makercarts, portable storage cabinets and even popular science kits like littleBits! For libraries having a tough time buying from outside vendors, this would be a viable solution, albiet a bit pricier than other vendors. Libraries usually have a DEMCO supply account especially if they have bought furniture in the last decade. I'm drooling over the 3D printer cart as we speak.



Even if you couldn't afford DEMCO prices, maybe there is someone handy on staff that could DIY some of these furniture ideas onto stuff we already have. If I could buy anything in my dream makerspace, my top 3 would be: 3D printer cart, STEM cart, and some mini folding flip tables.   I'm really into everything being on wheels lately. Our library's makerspace isn't "dedicated" so the thought of having roving carts and tables that are easy to cart around ou…

Halloween 3D Printed Pumpkins

I can't take credit for this one. I subscribe to the Newton Free Library events calendar because they have lots of great examples of STEM programming and this one particularly struck me. This October they are virtually "carving" pumpkins in Tinkercad. Thanks John Walsh!

The skills learned in Tinkercad for this project are holes, grouping, using multiple workplanes and rotating shapes. TIP: Make sure to leave plenty of room between the eyes and the mouth or it won't have enough solidity to print properly. I left 11mm distance between the end of the eyes and the beginning of the mouth. 

Step 1:
I imported a pumpkin shape from the web and added a sphere from the pre-made shapes on the left sidebar of Tinkercad.


Step 2: I added a new workplane on the front center of the sphere (now orange grid appears). I used the roof for eyes and the round roof for the mouth out of the pre-made shapes. The shapes needed to be sized and rotated. Then grouped it all together.


Step 4: I m…