YouTuber Slant 3D demonstrates how to print reliable in-place mechanisms like springs and hinges.The video explains the principles behind living hinges and strategies to extend flexibility while discussing common pitfalls.The second part covers print-in-place hinges, their failure points, and ways to enhance their robustness, albeit with increased bulk.This concise guide provides valuable insights into printing flexures and hinges, making it worth watching for 17 minutes.