Use the provided isometric line drawing as the base. DO NOT change the geometry, proportions, edges, roof shape, window rhythm, or any lines. No redesign, no additions, no removals. Keep the isometric view exactly the same.

Goal: keep it GRAPHIC and DIAGRAM-LIKE not a render. Preserve crisp vector-style linework and clean white background. No photorealistic materials, no reflections, no realistic lighting, no ambient occlusion, no shadows, no sky, no environment, no textures.

COLOR SYSTEM MANDATORY:
Use Pantone Blue 072 C as the ONLY hue family.
- ALL linework / outlines MUST be exactly Pantone Blue 072 C solid, saturated, no transparency.
- All fills must be tints of the same hue Blue 072 C, clearly visible not extremely pale, but lighter than the lines.
- No hue shifts no teal, no purple.

TONE APPLICATION moderately light, like the reference example:
- Walls / solid façade surfaces: light-mid tint of Blue 072 C noticeable pastel, not washed out.
- Windows / glazing: lighter tint than walls, but still visible soft light blue.
- Roof / terraces: slightly darker than walls or same as walls light-mid tint, flat and clean.
- Keep the contrast: saturated lines + softer fills.

LINEWORK VERY IMPORTANT:
- Keep the linework thin and precise, but fully saturated in Pantone Blue 072 C.
- Outer contour only slightly stronger than inner lines, still delicate no thick cartoon outlines.
If stroke values are supported: outer contour ~0.35 pt, main edges ~0.25 pt, minor details ~0.15–0.20 pt.

STYLE REQUIREMENTS:
- Flat fills only no textures.
- No shading, no gradients or at most an extremely subtle uniform tint shift per plane, still graphic.
- Keep the drawing minimal, clean, presentation-board quality.
- Do not introduce new lines or extra details.

Output: clean architectural isometric illustration with thin saturated Pantone Blue 072 C linework and moderately light Blue 072 C tints for surfaces. No labels, no dimensions, no logos.
, keep exact camera angle

PromptUse the provided isometric line drawing as the base. DO NOT change the geometry, proportions, edges, roof shape, window rhythm, or any lines. No redesign, no additions, no removals. Keep the isometric view exactly the same.

Goal: keep it GRAPHIC and DIAGRAM-LIKE (not a render). Preserve crisp vector-style linework and clean white background. No photorealistic materials, no reflections, no realistic lighting, no ambient occlusion, no shadows, no sky, no environment, no textures.

COLOR SYSTEM (MANDATORY):
Use Pantone Blue 072 C as the ONLY hue family.
- ALL linework / outlines MUST be exactly Pantone Blue 072 C (solid, saturated, no transparency).
- All fills must be tints of the same hue (Blue 072 C), clearly visible (not extremely pale), but lighter than the lines.
- No hue shifts (no teal, no purple).

TONE APPLICATION (moderately light, like the reference example):
- Walls / solid façade surfaces: light-mid tint of Blue 072 C (noticeable pastel, not washed out).
- Windows / glazing: lighter tint than walls, but still visible (soft light blue).
- Roof / terraces: slightly darker than walls or same as walls (light-mid tint), flat and clean.
- Keep the contrast: saturated lines + softer fills.

LINEWORK (VERY IMPORTANT):
- Keep the linework thin and precise, but fully saturated in Pantone Blue 072 C.
- Outer contour only slightly stronger than inner lines, still delicate (no thick cartoon outlines).
(If stroke values are supported: outer contour ~0.35 pt, main edges ~0.25 pt, minor details ~0.15–0.20 pt.)

STYLE REQUIREMENTS:
- Flat fills only (no textures).
- No shading, no gradients (or at most an extremely subtle uniform tint shift per plane, still graphic).
- Keep the drawing minimal, clean, presentation-board quality.
- Do not introduce new lines or extra details.

Output: clean architectural isometric illustration with thin saturated Pantone Blue 072 C linework and moderately light Blue 072 C tints for surfaces. No labels, no dimensions, no logos.
, keep exact camera angle

Date16 February 2026

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