Summary

This model is designed for a 19*6mm bearing, but it works just as well with printed wheels.
I'll leave links to all the parts including bearings below.

How I Designed This

https://youtu.be/MUX3Amgsu-s

            <p class="detail-title"><strong>Spare parts</strong></p>            <div><p>Stepper Motor: 28BYJ-48 5V  + Driver ($2) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_oDjHGaK">https://s.click.aliexpress.com/e/_oDjHGaK</a><br>Lithium Battery Charging Board With Protection TP4056 ($1) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_okhZIDo">https://s.click.aliexpress.com/e/_okhZIDo</a><br>Mini DC Boost Converter ($2 for 10pcs) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_oCmXIdC">https://s.click.aliexpress.com/e/_oCmXIdC</a><br>or more powerful DC Boost Converter MT3608 ($3 for 10pcs) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_oCmUCS2">https://s.click.aliexpress.com/e/_oCmUCS2</a><br>ESP32-C3 SuperMini ($2) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_omJ37WW">https://s.click.aliexpress.com/e/_omJ37WW</a><br>Mini Switch ($1.5 for 15pcs) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_opBOvZy">https://s.click.aliexpress.com/e/_opBOvZy</a><br>USB Type-C Female Plug ($1.5 for 5pcs) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_opB4L3s">https://s.click.aliexpress.com/e/_opB4L3s</a></p><p>Optional:<br>Bearing 19*6mm ($2.5 for 10pcs) - <a rel="nofollow" href="https://s.click.aliexpress.com/e/_oldTJ8q">https://s.click.aliexpress.com/e/_oldTJ8q</a></p><p>Battery:<br>You can use any Li-ion or Li-po battery, a battery from a vape or other similar device will also work well.</p></div>

Firmware

https://github.com/pa-pe/rotating_base

Rotating Base 200mm (Wi-Fi controlled)

Rotating Base 200mm (Wi-Fi controlled)

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