Choose the elevator type: water elevator, bubble elevator, piston elevator, or minecart elevator
Gather materials: blocks, signs, water buckets, soul sand, magma blocks, glass, doors, slabs, redstone, pistons, observers, slime blocks, honey blocks, minecarts, rails
Pick a vertical location with enough height for the shaft
Build a straight shaft from bottom to top
Make the shaft at least 1 block wide for a simple elevator
Use glass or solid blocks to enclose the shaft
For a water elevator, place water source blocks in the entire shaft
Put a soul sand block at the bottom for upward movement
Put a magma block at the bottom for downward movement
Use signs or doors to hold water in place
Enter the water column to move up or down
For a piston elevator, build a platform and a moving column
Place sticky pistons and slime blocks or honey blocks in the desired layout
Add observers and redstone to trigger the movement
Connect the redstone so the platform moves between floors
For a simple redstone elevator, build a vertical piston stack
Place each floor landing at the correct height
Add buttons or levers on each floor
Test the elevator repeatedly and fix any misaligned blocks
Add safety features like walls, lighting, and landing platforms
Decorate the elevator shaft if desired
Save the world and keep spare materials for repairs