Usually credited to Dugan, but there is no definitive evidence. The pattern is on the exterior only and found in 7-8 inch bowls and plates.

Hartung Book Five: Lattice Heart

Bowls

Purple, 110 (2017), 70 (2022)

Purple, flattened, tips turned up, 207 (eBay 2005)

Plates, 8-9 inch, usually iridized on front only

Purple, 15, 50 (both 2019), 95 (2021)

Purple, points up, 150 (2020)

Updated 12/11/2022