Outside of Clifford Hall 601 there is a patio where railing has been put up to enable instruments to be placed outside. The pavers details are:

24 x 24 Wetcast Diamond Pattern Patio Block (Actual Size 1-5/8“ x 23-1/4” x 23-1/4“) Model Number: 1791951 Menards® SKU: 1791951 I think these may be similar-$12.99 each at Menards.