How to Build a Flour Mill

A flour mill---also known as a grain mill---is used to pound whole grains into a flour or paste. Wheat grains are first dried then placed in the mill to make the flour. Fresh grains are pounded to make a paste. Corn and soybeans can also be processed in the mill to make cornmeal or soybean flour. Making your own flour mill is a simple project and takes less than an hour to complete. This mill will process a half-pound of wheat in four minutes.

Things You'll Need

  • Steel pipes
  • Pipecutter or hacksaw
  • Vice
  • Metal file
  • Sports tape
  • Juice can
  • Whole grains

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Step 1

Cut three 3/4-inch diameter steel pipes into 30-inch-long lengths. Hold the pipe steady with a table vise and use an electric hacksaw or pipe cutter to cut the ends as flat as possible.

Step 2

File the cut ends smooth with a metal file. When stood on end, the pipes should sit flush against a flat surface.

Step 3

Wrap the length of each piece of pipe completely in slip-resistant tape. Sports tape for hockey sticks and other equipment works well.

Step 4

Hold the pipes together in a tight bundle. Set the cut ends on a flat surface to ensure they are even. Wrap duct tape tightly around the entire bundle to hold it together.

Step 5

Cut the top off a large juice can or use a coffee can to hold the grain. Choose a can that is at least four inches in diameter and seven inches high.

Step 6

To use, fill the can one inch deep with the grain of your choice. Place the can on a hard flat surface. Sit on a chair and hold the can steady with your feet. Grip the pipe bundle at a comfortable height and set the cut end in the can. Lift the pipe up three inches and pound in short rapid strokes until the grain is the desired consistency.

Tips & Warnings

  • Wear gloves to avoid blisters while pounding.
  • Use a sieve to separate the cracked grains from the fine flour.
  • Wear goggles and protective gloves when cutting pipes.


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