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Building a Wooden Tree Bench

Measuring and Planning

Start by measuring the tree trunk's circumference at the base. Divide this by 3.14 to get the diameter, then add 12 inches for growth and stability. Calculate the interior length of each bench segment by dividing the diameter by 1.75.

Mark measurements on your wood with a carpentry pencil. Use a miter saw set at a 30-degree angle for precise cuts. Cut six segments for the interior ring, middle, and outer seat boards, maintaining consistent angles.

Align the boards on a flat surface to check if they form a proper hexagon. Use quarter-inch spacers between boards for expansion. Plan support placement for stability. Cut support legs from 4×4 pieces to ensure comfortable sitting height.

Fit two braces into each corner, drilling pilot holes before inserting screws to prevent splitting. Keep screws evenly spaced and tight.

A person measuring the circumference of a tree trunk with a tape measure and making notes

Cutting and Preparing the Boards

With measurements ready, it's time to cut and prepare the boards. Safety first: Wear protective goggles and gloves. Set your miter saw to a 30-degree angle for perfect hexagonal edges.

Carefully align each plank on the saw using your marks. Let the blade glide smoothly through the wood. Maintain consistency with each cut for a unified set of pieces.

After cutting, lay out the boards to check their fit. Confirm identical lengths and crisp angles. Insert spacers between boards to allow for wood expansion over time.

By the end of this stage, your raw boards will have become parts of your soon-to-be-completed bench, ready to encircle your tree.

A carpenter using a miter saw to cut wooden planks at a 30-degree angle

Assembling the Bench Structure

Arrange your pre-cut interior boards in a hexagonal shape around the tree trunk. Ensure each board meets its neighbor at the correct angle, forming a seamless circle.

Position the braces beneath where two boards meet. Use your drill to make pilot holes at each brace and board junction, then drive screws through each hole. Space these evenly for proper weight distribution.

Once the core framework is secure, step back and assess. Check that everything is level using a spirit level. Make any necessary adjustments with your shovel and some fine soil.

You've now transformed separate planks and beams into a bench nestled comfortably around your tree.

A partially assembled hexagonal bench frame around a tree trunk, with a person securing braces

Finishing Touches and Installation

Choose a weather-resistant wood stain or paint suitable for outdoor use. Sand the wood one last time with fine-grit paper to smooth any remaining rough spots.

  1. Lay down drop cloths to protect the surrounding area.
  2. Apply the sealant evenly across all wooden surfaces using even strokes.
  3. Two coats usually provide optimal durability; allow the first coat to dry completely before applying the second.

Once dry, carefully position the bench around your tree. Check for levelness with your spirit level and make any slight adjustments with soil or shims to ensure stability. Double-check that all screws are tight.

Take a moment to admire your handiwork. You've created a comfortable outdoor retreat that will withstand the elements and provide enjoyment for years to come.

A person applying wood stain to a completed hexagonal tree bench

As you settle into your newly crafted tree bench, appreciate the balance between nature and craftsmanship. This bench offers a peaceful spot to reflect and connect with the outdoors.

  1. Editors of Cool Springs Press. Black & Decker The Complete Guide to DIY Greenhouses. Cool Springs Press; 2011.
  2. Editors of Creative Publishing. The Complete Guide to Outdoor Carpentry. Creative Publishing International; 2009.