SCIENCE | HISTORY | FACTS | EXPERIMENT on Instagram: "This video shows a master craftsman sculpting a perfectly smooth curved ledge using a custom wooden trowel, and it’s a brilliant example of precision meeting traditional technique. Unlike flat plastering, curves demand constant control of pressure, angle, and motion. 🔹 Why a wooden trowel? Wood absorbs moisture slightly, preventing plaster from sticking and tearing, which helps achieve a smoother, more organic curve. 🔹 Controlled geometry: