Creating rotation axis for project

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Dear Community,
We are trying to create a rotation axis for a project, which is constructed as shown in the picture below. It should move a brush continuously for a period of 2 x 30 min at ~3 cm/s over a ~4 cm x 8 cm surface. Which models (e.g. servo motor and controller programmed with positions and timings) would be the best way to realise this?
Many thanks in advance for any support!

Rotationsachse

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Hi @VM00!

I would use something simple like this:

Just choose a regular servo motor which has movement range of up to 180 degrees, and control it with Arduino which can be easily programmed to do this task.