Dart hand spinner
myminifactory
I'm a high school teacher who created a hand spinner to teach my students how to make one themselves by following simple steps. Check out the design I used at http://www.thingiverse.com/thing:2197998 or learn more about designing it on Onshape in this blog post: https://livingtechlearn.wordpress.com/2017/03/18/onshape-design-for-a-hand-spinner/. However, some schools have expressed concerns that my original design may pose a risk to students. To address these concerns, I designed a dart version of the spinner. Please exercise caution when using it! The dart version requires specific components: a 4mm steel ball, and three M3 screws with nuts.
With this file you will be able to print Dart hand spinner with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Dart hand spinner.