A plugin that supercharges your furnaces through a grid-based cluster system + T2 and T3 furnaces.
ThermalGrid
A Paper/Purpur 1.21.1 plugin that supercharges your furnaces through a grid-based cluster system and infinite Nether-fueled barrels + T2 and T3 furnaces.
VIDEO: https://imgur.com/a/9TOjXrR
Furnace Clustering
Furnaces share heat — the more lit furnaces in your wall, the faster they all cook.
| Neighbor Bonus | Each lit furnace nearby shaves 17 ticks off cook time |
|---|---|
| Grid Boost | Toggle on/off in config.yml |
Tier Multipliers:
- Tier 1 (regular Furnace) — 1.0× speed, green particles
- Tier 2 — Diamond Furnace — 2.5× speed, aqua particles
- Tier 3 — Netherite Furnace — 5.0× speed, purple + lava particles
Crafting
Tier 2 — Diamond Furnace
D D D
D F D
D D D
D = Diamond, F = Furnace
Tier 3 — Netherite Furnace
N N N
N F N
N N N
N = Netherite Ingot, F = Furnace
Nether Barrel
N N N
N * N
N N N
N = Netherite Block, * = Nether Star
Shift-right-click any Barrel with a Coal Block to tag it as a fuel tank. Place within 5 blocks of a furnace — when smeltable items are inserted, the furnace ignites instantly with no fuel needed. The barrel acts as an infinite fuel source for the entire grid.
Commands
| Command | Permission | Description |
|---|---|---|
/tgdebug |
— | Show the tier of targeted furnace |
/tgreload |
thermalgrid.reload |
Reload config from config.yml |
Installation
Requires Paper or Purpur 1.21.1 (Java 21).
- Download the JAR
- Place in server's
plugins/folder - Restart
Configuration
grid-boost: true # false to disable the per-neighbor speed bonus
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