The grinder in Minecraft is made at the workbench. It requires 4 iron ingots, 2 iron bars, 2 gears and 1 furnace. Place the items to be ground in the two grids above the grinder, and put fuel below. Now you can start grinding.
The grinder is crafted at the workbench and requires 4 iron ingots, 2 iron bars, 2 gears, and a furnace.
