Root 4 Belts Needs?

The BOM lists three different 3 meter belts for the Root 4. From the build videos and photos I only see a single short belt on the Z axis that connects the ball screw and the motor. Am I missing something? Where are the other belts used and why do we need 3 meters of each?

In the BOM you have 2 belt pulley and 1 belt, not 3 belts. And “3M” is the type not the lenght
Bye
Gigi

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ah yeah! that would cause confusion

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