A two-floor trading hall for 26 villagers, each in its own cell with a lectern, a chest and a sign. A lever per cell drops the villager next to a zombie, so you can zombify and cure it for cheap trades.
This design works in Minecraft Java 1.16+.
You need 16 kinds of materials (1,221 items, about 29 inventory slots) — see the shopping list.
Before this layer
The hall is dug into a hillside (the grey ground in the 3D view is natural ground). Dig out a U-shaped room of about 17 × 17 blocks, 10 blocks high, with a corridor two blocks high behind every row of cells – the zombies will walk there.
Blocks on this layer tap a name to find it in the plan
What to do here in the guide's order
For each of the 11 cells of the lower floor, place a sticky piston facing up one block below the floor and a repeater on the floor next to it (see the plan). Lay the stone brick floor of the walkway around them. While the lever of a cell is on, its piston stays extended and lifts the villager's cell floor; turn the lever off and the villager drops one block – next to the zombie corridor.
The hall is dug into a hillside (the grey ground in the 3D view is natural ground). Dig out a U-shaped room of about 17 × 17 blocks, 10 blocks high, with a corridor two blocks high behind every row of cells – the zombies will walk there.
For each of the 11 cells of the lower floor, place a sticky piston facing up one block below the floor and a repeater on the floor next to it (see the plan). Lay the stone brick floor of the walkway around them. While the lever of a cell is on, its piston stays extended and lifts the villager's cell floor; turn the lever off and the villager drops one block – next to the zombie corridor.
Stone Bricks1 stack + 62×126
Redstone Repeater×11
Sticky Piston×11On 2 layers: Y 0, Y +1
Build the 11 cells with spruce logs and planks: each cell is 1 block wide, closed with a trapdoor, with a lectern in front (the villager's job block), a lever on the walkway in front of the lectern and a note block above. Anvils fill the two corners.
Spruce Log1 stack + 6×70
Spruce Planks×57Stone Bricks×20
Note Block×14
Spruce Fence×14
Spruce Trapdoor×11
Lectern×11
Lever×11
Stone Brick Stairs×8
Anvil×4On 2 layers: Y +2, Y +3
Above each cell, place a chest (to keep the books you buy) and a sign to write the villager's best trade on, plus torches along the walkway. The upper floor's sticky pistons stand on this layer too.
Stone Bricks×55Spruce Log×42Spruce Planks×19Sticky Piston×15Spruce Trapdoor×11
Chest×11
Oak Sign×11
Torch×8Stone Brick Stairs×4Anvil×2Build the upper floor the same way: 15 cells on pistons, with lectern, lever, note block, chest and sign each, and a stone brick floor and stairs around the opening in the middle.
Spruce Log2 stacks + 6×134Stone Bricks1 stack + 19×83Spruce Planks×54Spruce Trapdoor×30
Spruce Slab×27Note Block×18Spruce Fence×18Stone Brick Stairs×15Chest×15Lectern×15Lever×15Oak Sign×15Redstone Repeater×15Torch×10Anvil×6On 4 layers: Y +5, Y +6, Y +7, Y +8
Close the hall with a roof of spruce planks and slabs.
Spruce Slab1 stack + 45×109Spruce Planks1 stack + 30×94Spruce Log×2On 2 layers: Y +9, Y +10
Bring 26 villagers into the cells (with a minecart, a boat or by trapping them on a nether-portal trip) – one per cell. Unemployed villagers take the lectern in front of them and become librarians; break and replace the lectern until a villager offers the book you want, then trade once to lock the trade.
Place: 26× Villager
Lead one zombie into each corridor behind the cells (6 in total) and name them with a name tag so they never despawn. The corridors are dark and covered, so the zombies do not burn.
Place: 6× Zombie
Switch the game to Hard (on Normal a villager only has a 50 % chance to turn into a zombie villager instead of dying). Turn off the lever of a cell: the villager drops next to the corridor, the zombie attacks it and it becomes a zombie villager. Turn the lever on again, throw a splash potion of Weakness at it and feed it a golden apple. A few minutes later it is cured and its trades are much cheaper.
The first cure gives the big discount. Since Java 1.20.2 curing the same villager again gives no extra discount, so the 1-emerald prices in the video's title are only reached with the best trades.
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Tick what you have gathered — it is remembered together with your build progress. A stack is 64 items (signs 16; buckets, beds and boats do not stack); a shulker box holds 27 stacks.
Stone Bricks4 stacks + 28×284Spruce Log3 stacks + 56×248Spruce Planks3 stacks + 32×224Spruce Slab2 stacks + 8×136Spruce Trapdoor×52Note Block×32Spruce Fence×32Stone Brick Stairs×27Chest×26Lectern×26Lever×26Oak Sign1 stack + 10×26Redstone Repeater×26Sticky Piston×26Torch×18Anvil×12Shulkercraft built the hall in Java 1.16 (his world download is from 1.16.3); the blocks and the zombie cure work the same way in every version since. We tested it on 26.3 and 1.21.11.
Our test checks the hall instead of a rate: 26 librarians and 6 zombies are put in place, one lever is turned off, and after 20 game minutes on Hard that villager has become a zombie villager while the other 25 are still librarians in their cells and all zombies are still in their corridors.
Since 1.20.2 curing a villager gives its big discount only the first time.
Download the original The schematic / world is offered by the creator or the tutorial author — we link to the original download.
This is not a farm that produces items by itself – it is the place where you trade. 26 villagers stand in 1-block cells on two floors, each with its job block (a lectern in the design, so they become librarians) in front of it. A chest and a sign above every cell keep the books you buy and remind you which villager sells what.
Every cell stands on a sticky piston controlled by a lever on the walkway. Turn the lever off and the villager drops one block, right next to a corridor where a zombie walks. On Hard the zombie turns it into a zombie villager; turn the lever on again, throw a splash potion of Weakness and feed it a golden apple. Once cured, its trades get a big discount.
The video's title promises every trade for 1 emerald. Since Java 1.20.2 the cure discount only counts once per villager, so very low prices are reached only for the trades that were cheap to begin with.
