For your consideration is a mini combat-bot except instead of a deadly weapon, it has a fidget spinner.
Check out this short intro video for this robot here:
I used Fusion 360 to first make each component (servos, battery...). Then I made a simple base and subtracted the components from the previous step from the base. Finally I designed a top piece to cover all the other pieces and wheels + spinner.
A2212 Bushless motor and 30A ESC (generic from eBay)
please note the 30A ESC did not end up fitting so I used instead a smaller 3S ESC
ZIPPY Flightmax 1000 mAh 3S battery
AeroStar standard servo hacked to go continuous rotation using additional 2.2K resistors.
- Hobbyking HK-T6Av2 transmitter / receiver