I created these for a contest last September (2014) and thought I would share them here too. I have printed and tested them and they seem to work pretty well. The zipper pull took many iterations to get to a functional state. If you use strong material with 100% fill it will last a long time.
You can see a video of all the devices here:
You like Cults and you want to help us continue the adventure independently? Please note that we are a small team of 3 people, therefore it is very simple to support us to maintain the activity and create future developments. Here are 4 solutions accessible to all:
ADVERTISING: Disable your AdBlock banner blocker and click on our banner ads.
DONATE: If you want, you can make a donation via PayPal here.
WORD OF MOUTH: Invite your friends to come, discover the platform and the magnificent 3D files shared by the community!