If you look on my BYC chicken page look at 8-15-10, and you'll see the perch. We used a tree pole going across and the legs 2x4, with wide feet, 1x4's. The feet, about 18 wide. So it won't tip over. We also hung loose chain from above, as the chickens kept digging around the base, as we didn't have a solid floor, just dirt...