The trap originated in (Map v2.4), a popular adventure map released in the early 2010s. Designed by the map-making duo BlockBusters Inc. , the trap was intended to punish players for greed. It was placed at the end of a "Treasure Vault" room, disguised as a safety mechanism protecting a diamond block.
For deeper features, experimenting with redstone patterns and more complex piston arrangements can yield interesting and effective trap designs. lovely craft piston trap wiki full
For traps that need to reset after 10 seconds: The trap originated in (Map v2
Place a pressure plate directly on top of that false block. Run redstone from the plate to the piston. Because the plate powers the block it's on, the piston will extend when stepped on — wait, that’s wrong. Correction: In Lovely Craft (modded), you need an inverter or a pulse limiter. Place a redstone torch under the piston’s power source, then connect the plate to the torch’s block. Step on plate → torch turns off → piston retracts → false block disappears. It was placed at the end of a