Follow this step for all L-Sectional and U-Sectional Sofas only.
If you’re building an L sectional, connect your left bench and right bench at the corner.
If you’re building a U sectional, first connect the middle bench (no arms) to the corner attached to the right bench; then connect the other side of the middle bench to the corner attached to the left bench.
You’ll likely need to get on the ground to secure these final connections.