Primitive Age Guide – Assembly Line Machines
Primitive Age Guide: Assembly Line Machines
Welcome to the Primitive Age! This is the foundational stage of assembly line progression in the mod. You’ll start with basic machines and gradually unlock more advanced technology as you progress through the Crank Age and Electric Age. This guide will walk you through the essential crafting recipes and processes to master the Primitive Age and prepare for the next phase.
Finding Titanium Ore
Your first task is to locate titanium ore. This resource spawns deep underground and is fairly rare—comparable to diamonds. Be prepared to spend some time mining before you find your first deposits. Once you’ve collected enough, you can begin crafting the foundational machines.
Creating and Using the Fluid Bath
The fluid bath is your first essential machine. This is the primary tool for mixing materials in the Primitive Age. Craft one and place it down, then fill it with a bucket of water.

You’ll also need a wooden stirring stick to operate the fluid bath with water. Later on, you can upgrade to a pure iron or steel stirring stick to work with lava.
Making Silt
Silt is a crucial intermediate material. To make it in the fluid bath:
Ensure water is in the fluid bath
Right-click gravel into the bath
Right-click sand into the bath
The mixture should change color, indicating a correct recipe
Right-click repeatedly with your stirring stick until silt appears

Important: If you add the wrong combination of materials, the mixture will turn black and you’ll get sludge instead. Simply refill your water bucket and try again.
Crafting Titanium Ingots and Silt Bricks
With silt collected, you need to prepare two more items:
Titanium ingots: Smelt your mined titanium ore in a furnace
Silt bricks: Made from smooth silt (crafted from four silt). Once you have smooth silt, craft it into silt bricks

Building and Using the Manual Grinder
The manual grinder is essential for ore doubling. Craft one and place it on the ground. You’ll also need a titanium blade, which is made from three titanium blade pieces (themselves crafted from titanium nuggets and ingots).
Once assembled:
Place down your manual grinder
Right-click your titanium blade into it
Right-click iron ingots repeatedly to grind them into ground iron
Repeat the process with gold ingots to create ground gold
You can also use raw ore to double your ore output

Creating Iron Silt and Pure Iron Ingots
Now that you have ground iron, the next step is crucial for progression:
Right-click your ground iron into the fluid bath with silt
The mixture will turn gray, confirming it’s correct
Stir with your wooden stirring stick to create iron silt
Smelt the iron silt in a furnace to get pure iron ingots
Repeat this process with ground gold to obtain pure gold ingots

Upgrading Your Stirring Stick and Creating Gold-Dipped Blades
With pure iron ingots available, you can now craft a pure iron stirring stick. This allows you to work with lava in the fluid bath. To drain the fluid bath and add lava, shift right-click.

Next, create pure gold-dipped blade pieces:
Place titanium blade pieces into the lava-filled fluid bath
Add a pure gold ingot
Stir with your new pure iron stirring stick
After many clicks, you’ll receive a pure gold-dipped blade piece
Craft three of these together to make a pure gold-dipped blade

Remove your old titanium blade by shift right-clicking it, then insert the pure gold-dipped blade in its place.
Grinding Coal and Creating Steel
With your gold-dipped blade installed in the manual grinder, you can now grind coal:
Right-click coal into the manual grinder to create ground coal
This also works with charcoal

For the final step of the Primitive Age, you’ll create steel:
Add a bucket of lava to your fluid bath
Right-click ground coal into the bath
Right-click ground iron into the bath
Stir with your pure iron stirring stick
The result is steel ingots

Completion and Progression
Once you have steel ingots, you’ve completed the Primitive Age! You can now craft:
A steel stirring stick
A steel blade (made from steel blade pieces)

With steel in hand, you’re ready to advance to the Crank Age—the next phase of assembly line progression.
Summary
The Primitive Age establishes the foundation for all assembly line machines. Key takeaways:
Mine titanium ore for the fundamental components
Master the fluid bath with water and silt creation
Use the manual grinder to double ore and create ground materials
Progress from pure iron to pure gold components
Culminate with steel production to unlock the next age
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