Housetop—nine-block square-within-a-square variation Housetop—nine-block square-within-a-square variation https://glam.auctr.edu/wp-content/uploads/2020/07/3B7A0321_crop.jpg 1093 838 Sarah Tanner Sarah Tanner https://secure.gravatar.com/avatar/5a36e5dcd1e9d6d12654c6c1f354b11262e5bcbc370ba9c68821e23bcc781c17?s=96&d=mm&r=g July 25, 2020 September 22, 2020
