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(left) Place node attach curve (right) need to switch to "curve" mode

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The place node can be attached to curve and make the placers follow the curve (in below picture)

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_{Curve based place node}

Instructions

To do this, first select place node, then select the curve, chick Miarmy > Placement > Attach Curve (or Miarmy > Placement > Detach Curve when you want to remove the attachment)

Then we can tweak the attributes of it to achieve features:

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_{Row/column new attribute}

You can try to use them one by one to get familiar with them.

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_{Row offset}

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_{Column offset}

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_{Row noise for vertical space}

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_{Column noise for horizontal space}

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_{Row and column offset for horizontal and vertical space}

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_{Row and column noise for horizontal and vertical space}