S42B closed loop stepper motors – No more layer shifts!

If you’ve ever had a failed print from a layer shift, you know how frustrating it can be. Traditionally 3D printers use open loop stepper motors, which means if they lose steps, the printer doesn’t know and can’t compensate. The Bigtreetech S42B is a closed loop stepper motor, which means it monitors the position of the stepper and will compensate for errors. This means no more layer shift failures.

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