[gurgunday]

Agreed, it really works too well for how simple it is!

We implemented it in ES6 as part of a uni project if anyone's interested: https://github.com/gurgunday/onedollar-unistroke-es6

[entropie]

I tried 4 different shapes (circle, rectangle, triangle and heart) and it always said "Ellipse with score ...".

[yathern]

From the README:

> By default, it recognizes three shapes: Arrow, Check mark, and Ellipse.

> You can add more templates by drawing them and clicking on the Add Template button.

It worked well for the three - except a clockwise circle wouldn't work, only a counter-clockwise.

[harunurhan]

it works really well if all you are drawing is an eclipse ¯\_(ツ)_/¯. Could be a bug in the client or your implementation of $1.