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DCC Bridge
ammar.y.ragab
11-07 18:34
Model Name
ankh power pylon 3d model
Tags
architecture
architecture realistic
architecture rendering
architecture rendering realistic
pylon
realistic
rendering
rendering realistic
Prompt
Create a high-fidelity 3D model of a steel electricity pylon shaped like an Egyptian ankh. The structure is a welded hollow-section truss with a square base frame. The loop of the ankh carries three power lines through ceramic-style insulators. Clean, white studio background for preview renders. Form & Proportions (metric) Overall height ≈ 8 m; base footprint 2.2 m × 2.2 m; base frame height 0.2 m. Lower “stem” is a tapered space-frame tower: bottom width 1.8 m, top width 0.7 m, stem height 4.0 m. Cross-arm (the ankh bar) length 3.0 m, bar section height 0.35 m, centered at ~4.2 m above base. Loop (ankh halo): inner ellipse Ø 1.1 m × 1.5 m, outer ellipse Ø 1.6 m × 2.0 m; loop wall thickness 0.25 m; smoothly merges into stem. Three parallel conductors run left→right: spacing 0.4 m, sag minimal (studio setup), pass through the loop centerline. Each conductor has two short helical insulators (compression spring look) right before entering/exiting the loop. Structural System Truss made from box-section steel chords and web members. Member profile: square hollow section 60 × 60 × 6 mm for webs, 100 × 100 × 8 mm for chords and perimeter frames. Triangulation pattern: K-bracing and X-bracing visible on all faces; consistent 45° webs; denser near joints and corners. Cross-arm and loop are closed rectangular truss tubes with matching triangulation. Welded junction plates at node intersections (simple, low-profile fillet). Base sits on a square steel skidding frame with chamfered outer edge. Cable & Insulators Conductors: Ø 25 mm stranded aluminum look (subtle helical normal detail). Helical “spring” insulators: Ø 60 mm, length 250 mm, pitch 20 mm, ceramic or composite grey. Tiny steel attachment sleeves at cable–insulator interfaces. Materials / Lookdev (PBR) Main metal: hot-dip galvanized steel (zinc), subtle anisotropy, fine roughness variation (Roughness ~0.35–0.5), very light edge darkening, no rust. Insulators: light grey ceramic/composite (R ~0.25–0.35, low gloss). Cables: dull aluminum (R ~0.45), faint strand normal. Provide UV-unwrapped, non-overlapping; single 4K PBR set per material group (metal, cable, insulator). Include AO, BaseColor, Roughness, Metallic, Normal (OpenGL), optional Height. Modeling / Topology Requirements Real-world scale in meters; origin at base center; Z-up (or Y-up acceptable if CGdream defaults). Quad-dominant, watertight where appropriate; bevel key edges (0.5–1.5 cm) to catch highlights. Keep lattice members as instanced geometry where possible for lightweight edits. Provide two LODs: LOD0 ≈ 120–200k tris (crisp truss and insulator threads). LOD1 ≈ 30–50k tris (simplified webs, baked normals). Rendering / Presentation White seamless studio, soft area key + rim, 3-point lighting; 55–85 mm focal length. Produce orthographic front, side, and isometric PNGs at 3000 px on the long edge. Include a turntable (120 frames, 24 fps). Ground shadow only (no HDRI reflections of environment). Deliverables Native scene + FBX and GLB exports; textures in /Textures (4K PNG). One .OBJ optional. Packed preview renders and turntable MP4. Style & Quality Tags photoreal, industrial design, precision engineering, clean welds, consistent truss triangulation, galvanized zinc steel, accurate proportions, crisp UVs, physically-based shading, studio lighting, minimal post, no decals. Negative / Avoid rust, dirt, dents, logos, text, color paint, wood, plastic truss, bent geometry, non-uniform scale, floating/loose pieces, overlapping UVs, excessive bevels, cartoon style, fantasy ornaments, background clutter.
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ammar.y.ragab
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