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Keep every Nth item and reject the rest - Every sets the step, Offset the phase. Both outputs are live.

Category: Data | Add menu: Data > Select Every Nth

Routes each item to Selected or Unselected by its position in the list. Every sets the step - Every 2 keeps every other item, Every 3 keeps one in three. Offset shifts the phase, so the pattern can start on a different item; it wraps, so a negative Offset still lands in range. Because Unselected is a live output too, you can style the dropped items differently instead of losing them.

Every and Offset are inline-editable on the node face - double-click and type, no wiring needed.

• Geometry (any): the list of items to filter by position.
• Every (number, editable: default 2)
• Offset (number, editable: default 0)

• Selected (any): the items at every Nth position.
• Unselected (any): the items in between.

The point is usually two treatments rather than one selection. Feed Selected and Unselected into different Style nodes and a plain grid becomes a checkerboard, or every third tile picks up an accent, without you drawing two patterns.

Offset is how you line that up: same step, different phase, so two of these on the same list can divide it between them.

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