T = solid block (over observer) P = piston face (invisible under block? No – pistons push the block they are attached to) Better design: Place the piston a movable block.
Mobs will walk onto the solid blocks above the observers. When they step there, the observer sees them and activates the piston. lovely craft piston trap ios
The floor should look like this from above: T = solid block (over observer) P =
(Note: one side will have a gap for the player entry – see step 4) lovely craft piston trap ios
P = Sticky Piston (faces center) X = pit P P P P X P P P P