Free Woodworking Plans to Build a Mod Sectional Single Unit

06.21.11 By //

Project Image

This is the Mod Sectional Single unit and can be used alone as singular seating or as part of the Modular Sectional we will be working on.

By combining different variations of the corner and single unit, you can crate an L-Shaped Sectional, Sofa seating, a U-Shaped entertainment seating arrangement, the possibilities are endless…

Dimensions for This Project



Tape Measure






1 – 2×3 @ 10'

4 – 1×3 @ 10'

1 – 1×3 @ 6'


3″ Screws – Galvanized or Stainless is best for outdoor use

2″ Screws – Galvanized or Stainless is best for outdoor use

Wood Glue

Wood Filler or a Paintable Silicone if you prefer


Finishing Supplies

Cut List 

2 – 2×3 @ 14 1/4″ (Legs)

2 – 2×3 @ 27 1/2″ (Legs)

1 – 2×3 @ 27 1/2″ (Back Rest)

2 – 1×3 @ 28 1/2″ (Side Rails of Frame)

2 – 1×3 @ 24 1/2″ (Front Back of Frame)

3 – 1×3 @ 26 1/2″ (Supports)

2 – 1×3 @ 28 1/2″ (Dark Blue Side Slats)

1 – 1×3 @ 24 1/2″ (Red Back Seat Slat)

10 – 1×3 @ 22 1/2″ (Light Blue and Green Seat Slats)


**Always Pre-Drill and Counter Sink for the most professional appearance. Check for Square after EACH step. It will really matter in this project.

**For outdoor use, choose rot resistant and weather tolerable wood such as Cedar, Redwood, and Teak. You would be well suited to pre-drill, sand, and finish each board before assembling to ensure complete protection and a lasting finish.

Before beginning to build, always check in on my site to make sure you have the most up to date set of plans, I occasionally update and change the plans to make the building process easier or to allow for less expensive purchasing of materials!

Read through the entire set of instructions and all comments before beginning this project. If you print out or save plans, be sure to check in on my site to be sure you have the most up to date set of plans, as I occasionally update things for ease of building or buying. If you are new to building, read through the GETTING STARTED section and other articles found under the BUILD tab in the menu on my site, it has valuable information about how to get started, tools and techniques. If you are unfamiliar with the finishing process, visit my Finishing school for some tips and tricks for painting like a pro and for special finishing practices.

Use glue to secure your joints and Consider Painting or Staining individual sections prior to assembling. This makes the paint application virtually flawless. Coat with a spray on Poly or Wipe on Poly to protect your finish and your piece and it will last for ages. Adhere to all safety standards and guidelines, and be sure you follow safety protocol throughout your build. If you are unsure about whether you are building safely, run a quick online search for the tool or technique you are using, or contact me via email or post to the forum before you move ahead. My contact info can be found in the menu of my site.

Step 1

Step 1 

Notice how the image below shows the front legs are shorter and are horizontally placed while the back legs are taller and vertically placed.

Step 2

Step 2 

Build the Frame: Use 2″ Screws and Wood Glue. Place one support generally in the center, then place the others in the center of the remaining space.

Step 3

Step 3 

Attach the Frame to the Legs: Use 2″ Screws and Wood Glue.

Step 4

Step 4 

Attach the Boards that make up the seat perimeter: Use 2″ Screws and Wood Glue. Notice the dark blue boards are flush with the outside edge of the front legs, the light blue board is flush with front edge of the legs, and the red board is flush with the back edge of the back legs.

Step 5

Step 5 

Attach the remaining Slats for the Seat. Space the first few toward the front and back with 1/4″ between them, and the slats in the center space closer to 1/2″ apart. Use 2″ Screws

Step 6

Step 6 

Attach the Back Rest: Use 3″ Screws and Wood Glue.

Fill any Screw, Nail or Pocket Holes, Sand and Finish as Desired. For Finishing Tips and Tricks visit my Finishing School


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**Disclaimer: Some rights reserved. Private use only. Feel Free to link to any of my plans so long as you provide an adequate link back to the appropriate post! Plans from this page are not to be used for commercial purposes or republished without the express written consent of Rayan Turner, The Design Confidential I hope to provide accurate plans, however, I cannot guarantee each plan for accuracy. Not every plan that I post has been built and tested, so you are building at your own risk. It is recommended that you have a clear understanding of how the project works before beginning any project. Please contact me if you find an error or inaccuracy so that I might fix it.

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