Happy Birthday Heart Sign STL - 3D Printable Party Decoration

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About This Product

Download this Happy Birthday Heart Sign STL for 3D printing. A freestanding tabletop decoration with script lettering, heart accent, and ribbed details.

Overview

Celebrate a special day with this charming Happy Birthday Heart Sign 3D STL design. It is a modern tabletop decoration with a clean, elegant, and playful look, ready to print and reuse for birthday celebrations.

Key Features
  • Flowing happy script paired with bold BIRTHDAY lettering
  • Sweet open-heart accent above the typography
  • Large lower letters with vertical ribbed detailing for depth and dimension
  • Freestanding decorative style for birthday parties, cake-table displays, shelves, desks, photo backgrounds, centerpieces, gift displays, and reusable birthday home decor
  • Can be printed in multiple coordinated colors for personalized birthday themes
  • Color sections can be customized in Bambu Studio, PrusaSlicer, Cura, OrcaSlicer, or other compatible slicer software
  • Digital download: 3D STL file only; no physical item will be shipped
How It Works
  1. Purchase and download the STL file.
  2. Open the STL in Bambu Studio, PrusaSlicer, Cura, OrcaSlicer, or another compatible slicer.
  3. Assign colors to the Happy script, BIRTHDAY lettering, heart accent, ribbed details, and other sections as desired.
  4. Slice the model using your preferred settings and 3D print it.
  5. Display as a freestanding birthday sign or add it to a cake table, shelf, desk, photo setup, or celebration centerpiece.
Regular License
100 Credits
Quality verified
Use for a single project
Non-paying users only
H
hao hao
5.0
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Last Update: 10/15/2026
Published: 10/15/2026
Category: 3D Printing

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