EASY COOPS Chicken Coop Plan 17x6 Assembly Instructions Manual page 12

STEP 9
Install Plywood for the Nesting Box
9.1 Cut sheet of 5/8" plywood for the nesting box sheathing using the drawing below as a guide.
You will need one 1' x 6' sheet for the floor and four 1' x 1'-6 1/4" sheets for inner partitions.
9.2 Secure the plywood with 2" wood screws.