Valentine's Day Heart STL Files

Perfect for baking, crafting, and decorating with heart-shaped designs

Discover a wide range of digital STL files featuring heart designs for Valentine's Day. Instantly download 3D printable models ideal for cookie cutters, stamps, and molds. These files are perfect for creative baking, decorating gifts, crafting projects, or selling unique handmade items. Browse our collection to find the perfect heart shapes to celebrate love and special occasions.

99 designs found | Showing 33-48
Heart stamp tile set STL files in 5 sizes for 3D printing clay and cookie decorations
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Love Letter stamp tile set for clay, cookies, and fondant with multiple motif sizes STL for 3D printing
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Heart Lock stamp tile set STL for 3D printing clay, cookies, and fondant with five motif sizes
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Heart key stamp tile set with 5 romantic designs STL for 3D printing in clay and crafting
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Hearts stamp tile set STL file showing five heart sizes for 3D printed clay and cookie stamping
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Lovers stamp tile set clay and craft stamps STL files for 3D printing in five sizes
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Love badge stamp set with five heart motif sizes for clay, cookie, and fondant crafting STL
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Valentine Heart Shopping Bag clay and craft stamp STL featuring heart motifs for 3D printing
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Feelings stamp tile set with 5 motif sizes for clay, cookies, and fondant 3D printable STL
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Heart shape stamp set with five size variations STL for 3D printing clay and cookie decorating
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Heart arrow stamp tile set in five sizes for clay, cookies, fondant and romantic crafting
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Valentine card stamp set STL showing five heart and love themed motifs for clay and cookies
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Heart decoration stamp set STL with five sizes for clay and cookie designs, suitable for 3D printing
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Heart key stamp tile set in 5 sizes for clay, cookie, and fondant crafting 3D printing STL
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Valentine Stamp Tile T-Shirt clay and craft stamp STL set for 3D printing with five motif sizes
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Hearts stamp tile set STL for clay and cookie crafting with five size variations
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5/5 based on 11+ customer feedback

Join hundreds of happy makers who use our STL files to create beautiful cookie cutters and more.

"Great cutter file. Printed well and just what I needed. It was a little hard getting the dough out of the paws and feet section, but using the bigger file helped with that."
Natalie
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"It printed out great! Made. Amepopa and they came out adorable!"
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"Wonderful purchase and great quality"
Ashley
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Ready to start your next creative project? Access high-quality designs for baking, crafting, and more — all optimized for your home 3D printer.