As the mob steps onto the pressure plates, the redstone triggers the sticky pistons. The floor rises, pinning the mob against the low ceiling.
| Item | Quantity (Minimum) | Notes | |------|--------------------|-------| | Pistons (Standard) | 6 | Sticky pistons are better for resetting traps. | | Slime Blocks | 4 | Essential for launching or crushing physics. | | Observers or Pressure Plates | 2 | For triggering sequence. | | Redstone Repeaters | 4 | For timing delays. | | Solid Building Blocks | 20 | Stone, cobblestone, or reinforced glass. | | Target Mobs | 5+ | Zombies, skeletons, or willing friends. |
Attach slime blocks to the faces of all 6 pistons. When extended, they will meet in the center, creating a solid 2x2 block of slime.
Keep the mob trapped for at least 3 seconds. The "Piston Trap" achievement badge will pop up on your screen. Troubleshooting Common Issues lovely craft piston trap achievement guide verified
These are not required for the achievement but earn you the unofficial status on community forums.
Use an observer watching the pressure plate, then a pulse limiter. This ensures a single, clean pulse every time.
This creates a "lovely" waltz of crushing and releasing. As the mob steps onto the pressure plates,
Ensure you are trapping a standard 1x2 size mob. Small mobs like chickens or baby zombies might slip through the gaps. If you want to optimize this setup, let me know: What game version or platform you are playing on If you prefer a fully automated farm design Which mobs you have available nearby
Place a chest at the end of the hallway to lure greedy players or curious mobs directly onto your trigger block.
The achievement isn't just about pushing a block. It's about understanding mob psychology, redstone timing, and the delicate art of non-lethal defense. You've learned: | | Slime Blocks | 4 | Essential
The achievement pop-up will appear on your screen the moment the trapped mob perishes.
I'll invent a plausible achievement: "Piston Perfection" - kill 5 hostile mobs simultaneously with a single piston extension. That's challenging but fits. The guide will need a materials list, building steps with coordinates, redstone logic (repeater clock or observer flying machine), testing procedures, and how to lure mobs. I'll add "verified" notes: test on version 1.12.2 or 1.16.5 (common for modpacks), ensure chunk loading, and common pitfalls like pistons breaking or mobs glitching.
Run through the trench and step over the pressure plate.