How to Make Leather
- The most effective way to make
 Tanning Fluid is by selecting a  Brain and right-clicking it onto a Vessel of  Potable Water. If a  Bucket was used this will make 10 liters of Tanning Fluid with a 5% concentration. Tanning Fluid can also be made by boiling  Birch Bark in a  Clay Pot or  Copper Pot although you should boil enough that the concentration is at least 5%.
- Place up to 4x
 Limed Hides into your  Tanning Tub.
- Select a Vessel of Tanning Fluid and right-click it on your Tanning Tub. 10 liters of 5% concentrated Tanning Fluid is required for each Limed Hide.
- Wait - as your Limed Hide begins to tan its progress bar will go up.
- Each time a Limed Hide's progress bar reaches 100% it consumes 10 liters of Tanning Fluid and is converted into
 Leather and very rarely  Fine Leather. There's a chance of your Limed Hide becoming a  Foetid Ooze instead, if that happens the Tanning Fluid will not be consumed.
How to Make Fine Leather
- .1 liters of
 Otto of Rose are received when dehydrating  Red Rose for 4 hours in a  Steam Distiller.
- Right-click your Vessel of Otto of Rose on a Vessel of
 Vegetable Oil to make  Rose-tinted Tanning Fluid. If a Full  Glass Vial of Otto of Rose and a Bucket was used this will make 10 liters of Rose-tinted Tanning Fluid with a 5% concentration. This concentration can be increased up to 50%. The higher the concentration the better the chance of getting Fine Leather when Tanning.
- Place up to 4x Limed Hides into a Tanning Tub.
- Select a Vessel filled with Rose-tinted Tanning Fluid from your inventory and right-click on the Tanning Tub. Make sure to add at least 10 liters of Rose-tinted Tanning Fluid per Limed Hide.
- Wait - as your Limed Hide begins to tan its progress bar will go up.
- Each time a Limed Hide's progress bar reaches 100% it consumes 10 liters of Rose-tinted Tanning Fluid and is converted into either Leather or Fine Leather. There's a chance of your Limed Hide becoming a Foetid Ooze instead, if that happens the Rose-tinted Tanning Fluid will not be consumed.
Building Structures
Selecting a structure from the build menu or its sub-menus will place a Building Blueprint Sign at the position of the cursor and then clicking a valid building location on the ground will place the sign and open a window prompting the player to deposit the necessary materials and build the structure.
Each material is followed by a series of three numbers.
- The first indicates how many of that resource are needed but have not been deposited.
- The second number indicates how many of that resource have been deposited but have not been built into the structure.
- The third number indicates how many of that resource have been built into the structure.
Players can take their time building structures by depositing and committing resources to the build sign by clicking the "build" button. The character will build as much of the structure as they can with the available resources. They can return with more resources in the future.
Note that if no resources are deposited, the build sign will disappear when the player walks away. If resources are deposited, but the player hasn't built them into the structure, the uncommitted resources will slowly disappear over time. This is to combat players using build signs as cheap and overpowered storage containers they can deposit and retrieve resources from.
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