Venetial Blinds + Copies of the layers offset with the anchor point offset. It is easy to create the offset with a simple expression that multiplies only the Y-axis by the offset you need. Get the first 5 setup and you can just select them, duplicate (Ctrl/Cmnd + d) then drag up one layer, then do it again.
Here's a sample expression:
[value, 20 * index]
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