Profile Caster Bot Location: Shenzhen, Guangdong, China Caster Bot CasterBot provide all kinds of omnidirectional wheels wholesale at attractive price. Use Omni wheels to make your robot turn smoothly or build a holonomic drivetrain. Last activity: on 17/01/2020 Joined: on 17/01/2020 https://www.casterbot.com/c/omni-wheel Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.