a bed canopy to drape over the top of the hexagonal cage:
Chicken wire, or poultry netting, is a mesh of wire commonly used to fence in fowl, such as chickens, in a run or coop. It is made of thin, flexible, galvanized steel wire with hexagonal gaps. Available in 1 inch (about 2.5 cm) diameter, 2 inch (about 5 cm) and 1/2 inch (about 1.3 cm), chicken wire is available in various gauges–usually 19 gauge (about 1 mm wire) to 22 gauge (about 0.7 mm wire)
this is a cheaper one:
unique bird cages:
https://www.bing.com/images/search?q=Unique+Bird+Cages&FORM=IRBPRS&=0
netting we used in then end but from a place near college:
Alix Cozens 19 Level 2 Final Major Project 