Introduction: HomeMade Modern DIY Box Sofa
Your sofa is probably one of the most expensive pieces of furniture you own. This wood framed sofa is simple and durable with a timeless style. It can be built around almost any sofa cushions you might have or even a single mattress if you want it to double as a daybed. I salvaged some cushions from an IKEA sofa whose frame had broken. Pile pillows along the sturdy, solid-wood sides and back makes this a perfect daybed for a couple to lounge on.
Step 1: Supplies + Tools
Five (5) 8' Long 2×10s of Construction Lumber
Two (2) 8' Long 2×3s of Construction Lumber
Four (4) 8' Long 2×4s of Construction Lumber
120 + 220 Grit Sandpaper
RYOBI 18 Volt Cordless Drill with Screw Bit
RYOBI Orbital Sander
RYOBI 10" Sliding Compound Miter Saw with Laser
RYOBI Biscuit Joiner
Step 2: Download the Box Sofa Plan
Click here to download the box sofa plan.
Step 3: Cut the 2×10s, 2x4s + 2×3s
Using a ruler and pencil, measure, mark the 2×10s, 2x4s and 2×3s into the lengths shown in the diagram and cut with a compound miter saw.
Step 4: Sand the Pieces
Give the cut pieces a light sanding before assembling them. Using the orbital sander, start with 120-grit sandpaper followed by the 220-grit sandpaper.
Step 5: Assemble the Panels
Lay the 2×10s for 3 panels on the floor. Use the biscuit joiner to cut notches in the 2x10s. Insert glue in the notches and place a glue covered biscuit into the notches. Use the pipe clamps to clamp the boards together while the glue dries.
Step 6: Screw Together the Bottom Frame
Assemble the bottom frame of the sofa using the 3" screws.
Step 7: Attach the Side Panels
The easiest way to attach the panels to the base is to screw them together. For a more finished look, align the screws, spacing them at even increments. If you want to go the extra mile, recess the screws and cover them with wood plugs made from dowels. You can also add metal L-brackets on the inside for additional strength.
Step 8: Screw the Frame to the Panels
Screw the bottom frame to the back panel with the top of the frame aligned with the top of the first 2x10 in the panel.
Step 9: Finish
Paint the wood using the TK or stain it using the TK, if you like. I prefer to leave it raw, letting life add its own patina.
Step 10: Add the Cushions + Pillows
Set the cushions on the frame, add a bunch of pillows, stockpile some snacks and you have the perfect fortress for a weekend-long Netflix binge!
Step 11: Done!
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