Detailed architectural pen ink drawing of medieval castle with four corner towers and central keep topped with cross, isometric perspective, cross-hatched shadows, technical blueprint annotations visible, on white paper with fountain pen, dark wooden desk background, professional architectural illustration style, intricate stonework detail --ar 1:1 --v 6.1 --style raw --s 500

A detailed architectural ink drawing on white paper depicting a medieval castle fortress with four cylindrical corner towers featuring crenellations and a tall central keep tower crowned with a cross. The drawing uses professional cross-hatching technique for dimensional shading. Technical blueprint annotations are visible around the base. A black fountain pen with gold trim rests beside the artwork on a dark wooden surface. The style is precise technical illustration blending architectural schematic with fantasy castle design. High-quality, museum-grade illustration work.

medieval castle architectural drawing:1.4, isometric perspective:1.2, ink pen illustration:1.3, cross-hatching shadows:1.2, four corner towers:1.2, central keep tower:1.1, cross topped spire:1.1, crenellated walls:1.1, arched windows:1.0, blueprint annotations:1.1, white paper:1.2, fountain pen:1.0, wooden desk:1.0, technical illustration:1.3, detailed stonework:1.2, professional artistic style:1.1, negative_prompt: blurry, low quality, distorted, photorealistic, color

Professional high-resolution architectural ink illustration of a medieval fortress castle, isometric technical drawing perspective, meticulously detailed with cross-hatching technique, four cylindrical corner towers with crenellations, central tower with cross finial, blueprint-style annotations, on pristine white paper with black fountain pen on dark wooden surface, museum-quality craftsmanship, intricate stonework detail, cinematic lighting emphasizing dimensional shadows and depth, scholarly artistic atmosphere