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Teach Angles by Making a Modular Protractor!

by carlosvaras Aug 25, 2016
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Print turned out great. It took a bit of wiggling to get them on the post as the holes were tight but it worked. Excited to try it.

My post (where the additional angles slide on) broke before I could slide an angle on. Also the hole doesn't seem to be large enough for that post.

My connector piece keeps breaking off. What size is it or how else should I connect it???


Yeah the connectors tends to break so I use a long M3 screw to hold it together. These days I just put them all in zipp lock bags as its easier to distribute.

Can't tell you exactly, how we maybe use it, because i am more a Highschool teacher. I made it for our preliminary school teachers. It would be great, if it would be possible to turn them around, so that you can show also additional angles, e.g. 90° plus 30°.