Maybe one of these similar products would be of interest:-
Set of 2 Silicone Stencil Decorative Heart Molds ø 10 cm - Silikomart
4 Sets Silicone Ice Molds Silicone Chocolate Molds Nonstick Food Candy Molds
2 Pack Conversation Heart Molds, Silicone Heart Molds, 12 Cavity Heart Shaped Ch
6 Pcs Diy Silicone Baking Silicone Cupcake Molds Fondant Silicone Molds
Heart Silicone Gummy Molds 2 Pack with 2 Droppers, Mini Mold Pink