Design a sci-fi alien artifact model for 3D printing that is easy and quick to print. The artifact should have an intriguing, otherworldly design with clean lines, geometric patterns, and futuristic engravings. Incorporate unique shapes like floating rings, ancient alien symbols, or crystalline formations. Prioritize minimal overhangs and efficient print time, ensuring the artifact looks striking and mysterious, perfect for display and appealing to sci-fi enthusiasts.