Used fishing net. 0.75 ; 2; 2.5 ; and 5 inch mesh. One side has a 25 mm rope weaved to stretch between 2 anchors for example. Minimum of post needed. Rigid enough to prevent bird to get tangled. Custom cut. Up to 45 ft square (20ft square for $20). Could help to install as fence, climbing wall for vine, bird netting, safety net, .... would trade for veggies, fruits, meat.. or cash. Could deliver. South Nanaimo.