Vintage 40s Millinery Hat Form Mold Wood Louie Miller School 3 Piece Brim Crown. 3 piece hat form mold. All 3 marked Louie Miller School of Millinery, Chicago, IL. 12 5/8 brim piece diameter. Louie Miller provided instructions and supplies for home lessons in hat making in the 1940s. Check out our other items. The item "Vintage 1940s Millinery Hat Form Mold Block Wood Louie Miller School 3 Piece" is in sale since Friday, February 14, 2020. This item is in the category "Antiques\Mercantile, Trades & Factories\Industrial Molds". The seller is "booklovertoo" and is located in ...