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Editing Step 12 —

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Insert two M3 hex nuts in the dedicated pockets of x_end_idler.

Note the orientation of the trapezoidal nut.

Insert a trapezoidal nut on top of x_end_idler.

Using two M3x18 screws, tighten the trapezoidal nut. Don't over-tighten the screws. They will be loosened and re-tightened after the x-end has been mounted on the z-axis rods.

Verify trapezoidal orientation.

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