Following a discussion in another thread about tetrahelix I discovered a little more about the oloid.
And I think it deserves its own topic.
It started from this post when I didn't know the name of that shape and called it the 2-flying-saucers-crash shape.
Peter then gave us the commonly accepted name 'oloid' (although I still prefer '2-flying-saucers-crash shape' )
Chaining oloids I came across this heptagonal wreath:
EDIT : I also played around with Oloids in this post.
After some googling I came to this:
Oloid is one of constant width solids (https://www.youtube.com/watch?v=quuw4HC96bE) and was discovered by Paul Schatz in 1929
Maths and Physics Club of IIT Bombay article (http://mnp-club.github.io/blog/oloids/)
Nice video by Maker's Muse (https://www.youtube.com/watch?v=Kx3QtNmhN-o) (Our geomag oloid rolls a little less smoothly )
Wikipedia article (https://en.wikipedia.org/wiki/Oloid)
Things tagged with 'oloid' (https://www.thingiverse.com/search?q=ol ... t=relevant)
Things tagged with 'constant_width' (https://www.thingiverse.com/tag:constant_width)
If you have a 3D printer it's worth the try