1cm eccentric gear with 1cm diameter spur gear on top

here's the challenge

To have a eccentric gear do a turn in 1cm

And put a spur gear on top

That has a 1cm diameter and 3cm circumference

So the spur gear makes the torque gear move 3cm

Each time the eccentric gear moves 1cm

https://photos.app.goo.gl/qkTQaiC9FLH9a8HQ9

1cm gear

https://photos.app.goo.gl/9fKN6B8GufwDSNfq5

https://photos.app.goo.gl/wKWEdJS4KAaDNfm3A