rotating egg 7 shells

⭐ Key Features ✅ Print-in-place design ✅ 7 smoothly rotating shells ✅ No supports required ✅ Beginner-friendly with proper calibration ✅ Great for demonstration & gifting 🔹 Description The Rotating Egg with 7 Nested Shells is a precision-designed articulated model featuring multiple concentric layers that rotate smoothly within each other. Each shell is engineered with optimal tolerance to ensure free movement directly after printing, making it a perfect example of print-in-place mechanical design. This model is ideal for showcasing 3D printing accuracy, tolerance control, and multi-layer articulation. It also works great as a desk toy, stress reliever, or demonstration piece for students and clients.