How to Build a Solid Wood Cube

Written by randal thomas
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How to Build a Solid Wood Cube
A wood cube is an essential part of many craft projects. (wooden cube image by Paul Moore from

Toy makers and craft workers use a variety of wooden shapes to finish their projects. If you have ever created such things as dice or block letters, or if you ever fashioned the body of a house, you know firsthand about the versatility of a simple wooden cube. Unless you have square sticks of wood that you can simply cut into nice little cubes, creating a wooden cube can seem daunting because all the sides must have equal dimensions. Fortunately, if you follow a few guidelines, you can create solid wooden cubes that meet your craft needs.

Skill level:

Things you need

  • Four 1-by-4-by-12 planks of wood
  • Radial arm saw
  • Glue
  • Wood clamps
  • Sanding block
  • 80-grit sandpaper
  • Pencil
  • T-square
  • Cloth rag

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  1. 1

    Prepare the planks by gluing all the planks together to form a square post. Do this by spreading glue on the face of one plank and gluing two planks together. Glue a third plank face first against these two planks. Finally, glue the fourth plank face first against the outer face of the last plank. Using the cloth rag, wipe away any glue that seeps out of the cracks.

  2. 2

    Jog the edges of the glued wooden planks. For instance, the edges of the wooden planks must remain even. Jogging means aligning the edges. Align the edges by gently tapping the edges of the wooden planks along the surface of the work table. Make sure the tops and bottoms of the edges align evenly.

  3. 3

    Clamp the wooden blocks. Make sure the clamps tighten just enough to squeeze the planks together. Do not overtighten the clamps, or you risk twisting the planks and making them come out of alignment.

  4. 4

    Allow the planks to dry for 24 hours.

  5. 5

    Mark the cut line one the planks. For instance, all the planks equal 4 inches wide. Glued together, the 1-inch-thick planks create a 4-inch thick "post." Along the base of this post, use the t-square's straight edge, and mark a cut line at 4 inches.

  6. 6

    Cut the length of the planks. Do this by using the radial arm saw. Lay the post of wood beneath the blade and against the back guard. Align the cut mark to the inner edge of the blade. Cut slowly and firmly while keeping the stack of wood pressed firmly against the back guard.

  7. 7

    Sand the resulting cube smooth. Some glue might have seeped out during the clamping and drying process. Wrap the sandpaper around the sanding block and gently sand smooth any bits of dried glue.

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