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Difference between revisions of "Millstone"

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A '''millstone''' is used to grind up certain [[plants]] to make [[sugar]], [[flour]], [[dye]], and [[slurry]]. Each [[milling]] job requires an empty [[bag]]. To operate, it needs to be connected to a mechanical [[power]] source such as a [[water wheel]] or [[windmill]] that supplies it with 10 power units. If none is available, a [[quern]] can be used instead, although millstones process plants much faster than querns. Before they can be placed as a building, you must first construct the millstone at a [[Stoneworker's workshop]].
 
A '''millstone''' is used to grind up certain [[plants]] to make [[sugar]], [[flour]], [[dye]], and [[slurry]]. Each [[milling]] job requires an empty [[bag]]. To operate, it needs to be connected to a mechanical [[power]] source such as a [[water wheel]] or [[windmill]] that supplies it with 10 power units. If none is available, a [[quern]] can be used instead, although millstones process plants much faster than querns. Before they can be placed as a building, you must first construct the millstone at a [[Stoneworker's workshop]].
  
If the power to the millstone is interrupted, any jobs must be requeued when power is returned. Therefore it is best to have uninterrupted power or at least the ability to run it for a long period of time.
+
If the power to the millstone is interrupted, any jobs must be re-queued when power is returned. Therefore it is best to have uninterrupted power, or at least the ability to run it for a long period of time.
  
A millstone can be placed in a hanging state, however, it will not actually be constructed as the builder needs to be able to stand on the square on which it is being built. Because of this, a millstone must be powered from above or from the side, not from below in order to be able to complete construction.
+
A millstone can be placed in a hanging state, however, it will not actually be constructed, as the builder needs to be able to stand on the square on which it is being built. Because of this, a millstone must be powered from above or from the side, not from below in order to be able to complete construction.
  
 
Since [[Release information/52.03|52.03]] millstones can specify plants for milling jobs. If you don't specify the target plant in the order or set a custom input stockpile, the miller will pick the closest random plant, with the usual, occasionally surprising, definition of closest.
 
Since [[Release information/52.03|52.03]] millstones can specify plants for milling jobs. If you don't specify the target plant in the order or set a custom input stockpile, the miller will pick the closest random plant, with the usual, occasionally surprising, definition of closest.
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==An example setup==
 
==An example setup==
As it is most efficient to set up workshops near their materials sources, usually by putting stockpiles next to them, it's common for millstones to be set up near farm plots.  Putting a millstone just under the surface lets it be powered by a windmill on the surface, like so:
+
As it is most efficient to set up workshops near their material sources, usually by putting stockpiles next to them, it's common for millstones to be set up near farm plots.  Putting a millstone just under the surface lets it be powered by a windmill on the surface, like so:
  
 
::{|style="border: 1px solid #0b0; background: #dfd"
 
::{|style="border: 1px solid #0b0; background: #dfd"

Latest revision as of 13:00, 29 October 2025

Millstone

b-m-n

X
Icon

Millstone icon.png

Job Requirement

Milling

Construction
Materials Labors
Power

Needs 10 power.

This article is about the current version of DF.
Note that some content may still need to be updated.

A millstone is used to grind up certain plants to make sugar, flour, dye, and slurry. Each milling job requires an empty bag. To operate, it needs to be connected to a mechanical power source such as a water wheel or windmill that supplies it with 10 power units. If none is available, a quern can be used instead, although millstones process plants much faster than querns. Before they can be placed as a building, you must first construct the millstone at a Stoneworker's workshop.

If the power to the millstone is interrupted, any jobs must be re-queued when power is returned. Therefore it is best to have uninterrupted power, or at least the ability to run it for a long period of time.

A millstone can be placed in a hanging state, however, it will not actually be constructed, as the builder needs to be able to stand on the square on which it is being built. Because of this, a millstone must be powered from above or from the side, not from below in order to be able to complete construction.

Since 52.03 millstones can specify plants for milling jobs. If you don't specify the target plant in the order or set a custom input stockpile, the miller will pick the closest random plant, with the usual, occasionally surprising, definition of closest.

Silly humans using a mechanically powered millstone to grind stuff.

An example setup[edit]

As it is most efficient to set up workshops near their material sources, usually by putting stockpiles next to them, it's common for millstones to be set up near farm plots. Putting a millstone just under the surface lets it be powered by a windmill on the surface, like so:

Side view
- = -   - = -  
  *     *  
1 2

Note that version 1 only works if the windmill is built first, and version 2 only works if the millstone is built first.

When building a vertically powered millstone, build the components from the bottom up. First place the millstone, then place the vertical axles above the millstone, then place the windmill last.

For a basic overview of how the different machine parts work and work together, see machinery.

Millable plants[edit]

Sweet pods can be milled into dwarven sugar.

Other millable plants are listed below.

Plant Dye Color Crop type Value
Dimple cup Dimple Dye Midnight Blue     Underground 20
Blade weed Emerald Dye Emerald     Aboveground 20
Hide root Redroot Dye Red     Aboveground 10
Sliver barb Sliver Dye Black     Aboveground 20
Crop name Crop value Flour Flour value
Cave wheat τ 2☼ Dwarven wheat flour 20☼
Longland grass τ 2☼ Longland flour 20☼
Whip vine § 1☼ Whip vine flour 25☼
Single-grain wheat τ 2☼ Single-grain wheat flour 20☼
Two-grain wheat τ 2☼ Two-grain wheat flour 20☼
Soft wheat τ 2☼ Soft wheat flour 20☼
Hard wheat τ 2☼ Hard wheat flour 20☼
Spelt τ 2☼ Spelt flour 20☼
Barley τ 2☼ Barley flour 20☼
Buckwheat τ 2☼ Buckwheat flour 20☼
Oats τ 2☼ Oat flour 20☼
Rye τ 2☼ Rye flour 20☼
Sorghum τ 2☼ Sorghum flour 20☼
Rice τ 2☼ Rice flour 20☼
Maize τ 2☼ Maize flour 20☼
Quinoa τ 2☼ Quinoa flour 20☼
Kaniwa τ 2☼ Kaniwa flour 20☼
Pendant amaranth τ 2☼ Pendant amaranth flour 20☼
Blood amaranth τ 2☼ Blood amaranth flour 20☼
Purple amaranth τ 2☼ Purple amaranth flour 20☼
Pearl millet τ 2☼ Pearl millet flour 20☼
White millet τ 2☼ White millet flour 20☼
Finger millet τ 2☼ Finger millet flour 20☼
Foxtail millet τ 2☼ Foxtail millet flour 20☼
Fonio τ 2☼ Fonio flour 20☼
Teff τ 2☼ Teff flour 20☼
Flax τ 2☼ Flax flour 20☼
Hemp τ 2☼ Hemp flour 20☼

Bugs[edit]

  • Dwarves will occasionally combine two separate mill products in the same bag.Bug:4371


Workshops Ui b.pngbUi bo.pngo
Clothing and Leather Ui b.pngbUi bo.pngoUi bol.pngl
Clothier · Dyer · Leather · Loom
Farming Ui b.pngbUi bo.pngoUi bof.pngf
Furnaces Ui b.pngbUi bo.pngoUi bou.pngu
Other

Furniture
Animal trapAnvilArmor standBedBlocksBox (chest • coffer) • BucketCabinetCage (aquarium • terrarium) • Coffin (casket • sarcophagus) • RestraintSlabStatueTableThrone (chair) • Weapon rack
Tools
AltarBookcaseDisplay (display case • pedestal) • HiveNest box

Access
BarsBridgeDoor (portal) • FloodgateGrateHatchRoadWindow
Constructions
Machine and trap parts
Other buildings

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