Open a crafting table
Place 2 sticks in the left and right slots of the top row
Place 1 stone slab in the center slot of the top row
Place 2 wooden planks in the left and right slots of the bottom row
Take the grindstone from the result slot
Open a crafting table
Place 2 sticks in the left and right slots of the top row
Place 1 stone slab in the center slot of the top row
Place 2 wooden planks in the left and right slots of the bottom row
Take the grindstone from the result slot