wire wrap circle former

This wire former was made with Tinkercad. Edit it online https://www.tinkercad.com/things/djSmOBVqmjh

Before I created this former I used a glass jar as for making wire circles. However the glass surface was slippery and awkward.
It's designed so you can use one of the round holes at the top as a starting point then you can wire tightly around the former looping round the top circle in a figure of eight (creating a hanging loop). The two square holes are there so you can wrap thinner wire a