I was trying to think of a project where each student would get a gismo to take home but we could put them all together to build something as a group. This fit in with the theme quite nicely however most of my ideas were a little too complex to get off the ground.
I finally settled on building gears with logos and holes on one end so they could attach them to their backpacks. I thought I could assemble all of the gears together to make one big machine the kids could play with that all worked together. With this plan in mind I searched though thingiverse and youmagin for some designs I could use as a starting point. I was really excited when I found this one by http://www.thingiverse.com/thing:40410 that can be used to make gears that fit into Lego technics. I have a ton of lego technics and I really liked the idea that the motivated students to integrate their gear with their own legos.
After some iteration, I ultimately ended up doing is importing the images into Inkscape and converting them to a dfx file which is a vector map using instructions I found on a couple of website. Here is an example image I loaded into Inkscape
Using this technique I was able to make a variety of gears and they worked well with lego. Here is a video of one of the gears working with my old first generation mindstorm:
This turned out to be a really flexible design and I was also able to someone elses openscad files to make other gears with different projects I found on thingiverse. For example here is one with a robot in a openscad file from thingiverse http://www.thingiverse.com/thing:53285:
Here is another one from an stl file I found on youmagin that originally was a keychain modification for the ultimaker (https://www.youmagine.com/designs/ultimaker-key-fob-flat):
I really like this design because it is easy for me to swap out different logos based on the event. I uploaded my source files and these examples to github:
https://github.com/colbrydi/gear-givaways
And posted a few on Youmagine.org
https://www.youmagine.com/designs/gear-givaways
Please let me know if you find this helpful and email me links to gears that you have made.
I finally settled on building gears with logos and holes on one end so they could attach them to their backpacks. I thought I could assemble all of the gears together to make one big machine the kids could play with that all worked together. With this plan in mind I searched though thingiverse and youmagin for some designs I could use as a starting point. I was really excited when I found this one by http://www.thingiverse.com/thing:40410 that can be used to make gears that fit into Lego technics. I have a ton of lego technics and I really liked the idea that the motivated students to integrate their gear with their own legos.
After some iteration, I ultimately ended up doing is importing the images into Inkscape and converting them to a dfx file which is a vector map using instructions I found on a couple of website. Here is an example image I loaded into Inkscape
This turned out to be a really flexible design and I was also able to someone elses openscad files to make other gears with different projects I found on thingiverse. For example here is one with a robot in a openscad file from thingiverse http://www.thingiverse.com/thing:53285:
I really like this design because it is easy for me to swap out different logos based on the event. I uploaded my source files and these examples to github:
https://github.com/colbrydi/gear-givaways
And posted a few on Youmagine.org
https://www.youmagine.com/designs/gear-givaways
Please let me know if you find this helpful and email me links to gears that you have made.
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