Step 1: Steps 1 Cutting the Seat
Take 2 pallets and cut with jigsaw just after half.
Overlay the 2 pieces of palette cut out and screw them together.
Step 2: File Assembly
Take one of the cut parts in step 1 and screw it a little slanted as in the picture. (help yourself from a wall to maintain it)
Step 3: Armrest
Cut 2 pieces of palette as in the photo to make the armrests and fix it with screws there where you can.
Leave the back of the armrest a dozen centimeters behind, this will serve to keep the folder at the end.
Add palette paddles on the top and front of the armrests as well as on the top of the backrest.
Step 4: Sofa in Finished Pallet
Skip a little sanding and it's over