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An educational illustration shows ancient workers using a mobile wooden crane to lift stone blocks for a pyramid under construction in the desert.

Educational illustration of an ancient pyramid corner crane. Main title (German, clear readable font): "Mobiler Holz-Pyramidenkran mit Dreipunktlager" Scene: Single wooden crane positioned EXACTLY on one corner of a pyramid step. CRANE DESIGN (very important): - lightweight wooden construction (not massive) - horizontal lever beam with clear pivot point near the corner - asymmetrical lever: • long rear arm (force side) • short front arm (load side) strict mechanical accuracy, clearly asymmetric lever, triangular support base must be obvious THREE-POINT SUPPORT (must be clearly visible): - 1 support point directly on the corner stone - 2 support legs extending along both edges of the pyramid level - triangular footprint, no flat base, no platform MECHANICS: - multiple workers pulling ropes on the LONG rear arm (downward direction) - stone block attached to the SHORT front arm being lifted upward - visible rope tension and lever rotation COMPOSITION: - slightly isometric or angled view so all 3 support points are visible - focus on clarity of geometry and mechanics STYLE: - realistic but clean and slightly stylized (educational) - bright daylight, neutral friendly lighting - warm natural colors ENVIRONMENT: - pyramid under construction - desert with minimal greenery - subtle ancient city in background OPTIONAL LABELS (German, small callouts with arrows): "Dreipunktlager" "lange Kraftseite" "kurze Lastseite" "Drehpunkt" STRICT: no modern cranes, no metal, no unrealistic Mehr sehen

#ancient history #engineering #illustration

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