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Why Medieval Castle Windows Were Built Like This Bringing historic architecture to life brick by brick in 3D animation. Medieval castle windows weren't just decorative—their narrow, angled masonry was engineered as defensive arrowslits to protect archers while keeping enemy arrows out. Medieval castle windows actually had no glass until the late Middle Ages—inhabitants used oiled parchment or wooden shutters, which made winter castles completely pitch black inside. 🚀 Sell custom brick sets or MOCs? Boost your sales with photorealistic 3D product animations & ads for your store. 📩 Let's collaborate: puzzleksuamazon@gmail.com (or DM on Instagram) Fan 3D visualization inspired by open-source LEGO MOC community designs. If you are the creator of the original physical build that inspired this 3D animation, please contact me! I’m happy to feature your name, link your profile in the description, and pin your comment😊 No official LEGO instructions or materials were copied. LEGO® is a trademark of the LEGO Group. This video is not sponsored, authorized, endorsed by or affiliated with The LEGO Group. All rights to the original set design belong to The LEGO Group. #LEGO #3DAnimation #MedievalCastle #Blender3D #CastleArchitecture