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3D printed molds (heart ring) - flexible rubber parts (Sugru)

3D model description

🚀Go beyond the limits of 3D printing, make several rubber parts in an easy and fast way with a 3D printed reusable mold!

Here you will find a simple mold of an heart ring so you can test this process by yourself and share with us your feedback!

Ring I.D. is 18.4 mm, you can scale the models to achieve any desired size.

Visit us on Instagram (nabu_3d) to see a video of an example of molding process and result!

🎈 Don’t you know Sugru yet?
❤️ We love it because it’s a colorful one-part moldable clay that you can shape with your hands like play-dough. After 24h it will set strong, by turning into a durable and flexible silicone rubber, resistant from –50 up to 180 °C.

You can mix the colors to achieve your desired shade.
You can choose between 2 product families: “Original” (best for Makers) and “Family-Safe Skin Friendly”.

Visit Sugru website ( and Instagram page @sugru , you will discover endless possible uses.

🔗You can order Sugru on Amazon:

⚙️ Details of molding process in the pictures:
• FDM molds material: PLA (cheap and easy to print)
• Mold release: olive oil
• Rubber compound: Sugru “Original”
• Curing time: 24 hours / 3 mm (48h / 6 mm, etc.)

📣 Share with us your ideas and tag you curious and open-minded friends!

3D printing settings

Material: PLA
Layer height: 0.050 - 0.1 mm (fine settings)
Infill: 20%
Supports: not needed

  • 3D model format: STL



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Prototyping and custom parts.
Outdoor and sport accessories, gadgets, Arduino, PCB, 3D printing/scanning.
Follow us on Instagram: nabu_3d



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