Simple Sumobot is completely designed in Tinkercad - I learned so much designing it! ;-)

!!!!After printing You may need to drill out some screws holes for what size You need.!!!!

It Was designed to power with 9V (it fits to battery box in chasis but it gives too small amount of power) battery or small Li-po 2S but I recommend to use 2x 18650 recharchable batteries mounted in external battery box on top or back of robot.

Parts you need to bulid it:

• Wemos D1 mini microcontroller
• 2x TCRT5000 ir sensors with digital outputs
• HC-Sr04 distance sensor
• 10x1 rubberband for tyres
• source of power

For power up tt- motors version:

• 2x tt-motor
• L239 H-bridge dual DC motors controller

For Sg-90 360' servos version:

• Two sg-90 360' servos
• i did'nt designed wheels dedicated for servos but i'm preety sure that You can find 40mm wheel model.

Have Fun!

EDIT: Fixed small issue with inner chasis.