How the TerraFirmaCraft anvil works
Smithing in TerraFirmaCraft is a small puzzle. Every recipe hides a target on the anvil’s work bar, each action moves the work by a fixed amount, and the item is finished by the strike that lands exactly on the target, provided the last three strikes follow the recipe’s finishing rules. This guide explains each part, works through one example and lists the rules of all 278 TerraFirmaCraft recipes.
The eight actions
| Action | Moves the work by |
|---|---|
| Light hit | −3 |
| Medium hit | −6 |
| Hard hit | −9 |
| Draw | −15 |
| Punch | +2 |
| Bend | +7 |
| Upset | +13 |
| Shrink | +16 |
Hits come in three strengths; a recipe that asks for a hit accepts any of them. The work starts at 0. Taking it below 0 or above 150 destroys the item, so an overshoot can cost you the metal.
Where the target comes from
The target is not written in the recipe. The game works it out from the world seed and the recipe’s id, so it is the same every time in one world and different in another, and it always lies between 40 and 113. The anvil screen shows it; the forging calculator also works it out from your seed, the way the game does.
Reading the finishing rules
A recipe has up to three finishing rules. Each names an action and a position among the last three strikes:
- Last, second last and third last each name one strike.
- Not last means the second or third last strike.
- Any means one of the last three strikes.
- A rule that asks for a hit is met by a light, medium or hard hit.
The game checks after every strike, and the item is done the moment the work reaches the target with the rules met. So the finishing strikes have to be planned before the first one: work out where you must be three strikes before the end, get there, then finish. The recipe files store the rules last first; this guide and the calculator list them in the order you strike them.
A worked example
Say the anvil shows a target of 70 for a copper pickaxe head, whose rules are “punch last”, “bend not last” and “draw not last”. The forge calculator’s solver finds this sequence, the shortest one that satisfies them:
| Strike | Action | Moves the work by | Work after the strike |
|---|---|---|---|
| 1 | Punch | +2 | 2 |
| 2 | Upset | +13 | 15 |
| 3 | Upset | +13 | 28 |
| 4 | Shrink | +16 | 44 |
| 5 | Shrink | +16 | 60 |
| 6 | Shrink | +16 | 76 |
| 7 | Draw | −15 | 61 |
| 8 | Bend | +7 | 68 |
| 9 | Punch | +2 | 70 |
The work lands on 70 with the last strike, and the last three strikes, draw, bend and punch, meet every rule. Another world gives the same pickaxe head a different target, and so a different sequence.
Anvil tiers
Every recipe needs an anvil of at least a given tier, and in TerraFirmaCraft an anvil’s tier is its metal’s: Tier I is copper; Tier II bronze, bismuth bronze or black bronze; Tier III wrought iron; Tier IV steel; Tier V black steel; and Tier VI red or blue steel. A rock anvil, made from raw igneous rock, is Tier 0.
| Tier | TerraFirmaCraft 1.20 recipes | TerraFirmaGreg 0.13.8 recipes |
|---|---|---|
| Any anvil | 0 | 1 |
| Tier I | 44 | 116 |
| Tier II | 81 | 174 |
| Tier III | 47 | 95 |
| Tier IV | 27 | 54 |
| Tier V | 27 | 44 |
| Tier VI | 52 | 91 |
The rules of every TerraFirmaCraft item
Every metal’s version of an item shares one set of rules: a copper and a steel pickaxe head finish the same way, and only the anvil tier differs.
| Item | Finishing rules, in the order you strike them | Made from | Metals and anvil tier |
|---|---|---|---|
| Axe head | Upset, third last step; Any hit, second last step; Punch, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Bars | Punch, third last step; Punch, second last step; Upset, last step | sheets, double sheets | Bismuth Bronze (Tier III), Black Bronze (Tier III), Black Steel (Tier III), Blue Steel (Tier III), Bronze (Tier III), Copper (Tier III), Red Steel (Tier III), Steel (Tier III), Wrought Iron (Tier III) |
| Blowpipe | Any hit, third last step; Draw, second last step; Draw, last step | rods | Brass (Tier II) |
| Brass mechanisms | Punch, third last step; Any hit, second last step; Punch, last step | ingots | Brass (Tier II) |
| Bucket | Bend, third last step; Bend, second last step; Bend, last step | sheets | Blue Steel (Tier VI), Red Steel (Tier VI) |
| Chain | Draw, last step; Any hit, any step; Any hit, any step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Chisel head | Any hit, last step; Any hit, not the last step; Draw, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Fish hook | Draw, not the last step; Bend, any step; Any hit, any step | sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Hammer head | Punch, last step; Shrink, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Hoe head | Punch, last step; Any hit, not the last step; Bend, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Ingot | Any hit, third last step; Any hit, second last step; Any hit, last step | high carbon black steel, high carbon blue steel, pig iron, high carbon red steel, high carbon steel, refined iron bloom | Wrought Iron (Tier II), High Carbon Steel (Tier III), Steel (Tier III), Black Steel (Tier IV), Blue Steel (Tier V), Red Steel (Tier V) |
| Iron door | Any hit, last step; Draw, not the last step; Punch, not the last step | sheets | Wrought Iron (Tier III) |
| Jar lid | Punch, third last step; Any hit, second last step; Any hit, last step | ingots | Tin (Tier I) |
| Javelin head | Draw, third last step; Any hit, second last step; Any hit, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Knife blade | Draw, third last step; Draw, second last step; Any hit, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Mace head | Any hit, last step; Shrink, not the last step; Bend, not the last step | double ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Pickaxe head | Punch, last step; Bend, not the last step; Draw, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Prospector’s pick head | Punch, last step; Draw, not the last step; Bend, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Refined iron bloom | Any hit, third last step; Any hit, second last step; Any hit, last step | raw iron bloom | |
| Rod | Draw, third last step; Draw, second last step; Bend, last step | ingots | Bismuth (Tier I), Cast Iron (Tier I), Copper (Tier I), Gold (Tier I), Nickel (Tier I), Rose Gold (Tier I), Silver (Tier I), Sterling Silver (Tier I), Tin (Tier I), Zinc (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Brass (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Saw blade | Any hit, second last step; Any hit, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Scythe blade | Bend, third last step; Draw, second last step; Any hit, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Sheet | Any hit, third last step; Any hit, second last step; Any hit, last step | double ingots | Bismuth (Tier I), Cast Iron (Tier I), Copper (Tier I), Gold (Tier I), Nickel (Tier I), Rose Gold (Tier I), Silver (Tier I), Sterling Silver (Tier I), Tin (Tier I), Zinc (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Brass (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Shield | Bend, third last step; Bend, second last step; Upset, last step | double sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Shovel head | Punch, last step; Any hit, not the last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Steel pipe | Draw, last step; Bend, not the last step | sheets | Steel (Tier IV) |
| Sword blade | Bend, third last step; Bend, second last step; Any hit, last step | double ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Trapdoor | Draw, third last step; Draw, second last step; Bend, last step | sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Tuyere | Bend, second last step; Bend, last step | double sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Unfinished boots | Shrink, third last step; Bend, second last step; Bend, last step | sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Unfinished chestplate | Upset, third last step; Any hit, second last step; Any hit, last step | double sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Unfinished greaves | Bend, any step; Draw, any step; Any hit, any step | double sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Unfinished helmet | Bend, third last step; Bend, second last step; Any hit, last step | double sheets | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Unfinished lamp | Draw, third last step; Bend, second last step; Bend, last step | ingots | Copper (Tier I), Bismuth Bronze (Tier II), Black Bronze (Tier II), Bronze (Tier II), Wrought Iron (Tier III), Steel (Tier IV), Black Steel (Tier V), Blue Steel (Tier VI), Red Steel (Tier VI) |
| Wrought iron grill | Punch, last step; Punch, not the last step; Draw, any step | double sheets | Wrought Iron (Tier III) |
TerraFirmaGreg replaces the rules of 45 of these recipes and adds its own, 575 in all: choose TerraFirmaGreg in the forging calculator to search them.
Values on this page are read at build time from the same game data the map and the forge calculator use. Found a mistake? Open an issue.
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