how to make extending dining table

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An extending dining table is a versatile piece of furniture that can be adjusted in size to meet your dining needs. It allows you to accommodate more guests for dinner parties or family gatherings, making it a valuable addition to any home. However, buying a pre-made extending dining table can be expensive, and it may not be the perfect fit for your space or style. The good news is that you can build your own extending dining table with a few tools, materials, and some basic woodworking skills. In this article, we will show you how to make an extending dining table from scratch.

Gather Materials and Tools

The first step in making an extending dining table is to gather all the necessary materials and tools. You will need the following:

  • 2 sheets of 4x8 plywood (¾ inch thick)
  • 4x4 lumber (8 feet long)
  • Wood glue
  • Finish nails
  • Table saw
  • Jigsaw
  • Drill with drill bits
  • Sander
  • Measuring tape
  • Square
  • Pencil
  • Paint or stain

Cut and Assemble Tabletop

Start by cutting the plywood sheets to the desired size for your tabletop. A standard dining table measures 30 inches in height and 36 inches in width, so you can cut the plywood to these dimensions for a basic table. However, if you want a larger or smaller table, be sure to adjust the plywood accordingly. Once you have cut the plywood sheets, glue them together and use finish nails to secure them in place. Sand the edges and the surface of the tabletop until smooth.

Build the Extending Mechanism

The extending mechanism is what allows the table to expand and accommodate more guests. To build this, you will need to cut the 4x4 lumber into four equal pieces that measure the same length as the tabletop. Once you have the pieces cut, assemble them together in a box shape using wood glue and finish nails. Be sure to leave a gap in the center of the box that is wide enough to insert the extending leaf.

Create the Extending Leaf

The extending leaf is the piece of wood that you will insert into the gap in the center of the extending mechanism to expand the table. To create this, measure the length and width of the gap and cut a piece of plywood to fit. Sand the edges until smooth and apply a coat of paint or stain to match the rest of the table. Once the extending leaf is dry, insert it into the gap in the center of the extending mechanism.

Finish and Seal

Finish the table by sanding any rough spots or edges and applying a coat of paint or stain to match your decor. Once the paint or stain is dry, add a layer of sealant to protect the surface from scratches and stains. Your extending dining table is now ready for use!


Building your own extending dining table is a fun and rewarding project that can save you money while creating a beautiful piece of furniture that fits your space and style perfectly. With the right tools and materials, anyone can build a functional and stylish extending dining table that will last for years to come.



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