Threaded Sphere – 3D Printable Draw Ball – Screw-Together Sphere for Lottery / Raffle / Champions League Style Draws
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This is a 3D printable screw-together ball inspired by the iconic draw balls used in UEFA Champions League / lotteries
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Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — Noncommercial
This is a 3D printable, screw-together draw ball inspired by the iconic lottery balls used in UEFA Champions League draws.
It’s perfect for raffles, giveaways, tournaments, or even classroom games. The ball consists of two threaded halves that screw together securely, forming a hollow interior where you can place a folded paper, number, or name.
The design is optimized for easy 3D printing and scales well to different sizes. The original size is 30mm (outer diameter), 25mm (inner diameter).
Files included:
- sphere_top.stl
- sphere_bottom.stl
- sphere _top.step (original CAD file for remixing/customization)
- sphere_bottom.step (original CAD file for remixing/customization)
The STLs were exported from the original STEP model via PrusaSlicer to ensure a clean, printable thread fit.
Recommended print settings:
- Layer height: 0.2 mm
- Infill: 15–20%
- Works well with PLA or PETG
Enjoy your own Champions League-style draw at home!