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Anonymous1758387491
11-29 16:13
Model Name
crystal crab 3d model
Tags
creatures animals
creatures animals realistic
creatures animals rendering
creatures animals rendering realistic
crystal crab
realistic
rendering
rendering realistic
Prompt
Create a production-ready 3D character model of a giant crab-like creature inspired by Tamatoa (Moana), but entirely original. The design must support animation, look-dev, and VFX pipelines. Use clean subdivision topology and maintain consistency across all surfaces. Head must be ~30% larger relative to the body. MODEL SPECIFICATIONS Topology & Geometry Quad-dominant topology only (no ngons). Even polygon distribution with denser loops around deformation areas. Edge-loop concentration required around: mouth corners, eyelids, jaw hinge region, antenna bases, limb joints, claw hinge points. Carapace consists of layered plates: rigid topology with no unnecessary deformation loops. Soft underside plates: additional edge loops to support squash & compression. Claws: separate mesh segments for top plate, bottom plate, and soft membrane. Antennae: cylindrical topology, evenly spaced loops for spline deformation. Total resolution calibrated for film-level detail (~100k–300k poly base mesh before subdivision). SCALE & PROPORTIONS Character scale must be consistent with standard scene units (1 unit = 1 meter). Total width: approx. 2.5–3 meters. Head volume ~30% larger than a real crab’s proportion to emphasize expressiveness. Legs: 6 limbs + 2 claws, each with 3–4 major deformation segments. Antennae length ≈ 1.2x the carapace width. RIGGING REQUIREMENTS Ensure clean joint placement zones: spherical topology around each articulation, no pinching loops, predictable deformation flow. Head & face rigging: separate mesh regions for eyes, eyelids, and mouth interior. inner mouth cavity with full lip loop structure. teeth modeled as individual objects. Carapace plates must be rigid; include separation creases to prevent unwanted bending. Underbelly plates must deform smoothly: use horizontal edge loops following curvature, maintain even vertical spacing for compression. Claws require hinge-friendly topology supporting open/close rotation. TEXTURE & UV REQUIREMENTS UVs must be fully unwrapped with UDIM workflow: 4–8 UDIM tiles recommended. 4K–8K maps per tile. No overlapping UVs except mirrored non-deforming areas. UDIM layout recommendation: 1001: head + face 1002: carapace top plates 1003: carapace side plates 1004: claws 1005: legs 1006: underside + membranes 1007+: decorative elements (pearls, gems, barnacles). Material assignment: Carapace (metal/chitin blend) Skin/soft membranes Claws (matte → glossy blend) Gemstones/pearls (separate material IDs) SURFACE DETAILING High-frequency details baked from sculpt: pores, ridges, micro-cracks, chitin bumps. Displacement map recommended: 32-bit EXR. Normal map for small details (Tangent Space, 16-bit). Specular roughness splits for metal-like and organic surfaces. Color palette should allow iridescent effects: blue → purple → magenta → gold. ACCESSORIES & SURFACE ELEMENTS Gems, pearls, barnacles, and decorative crust formations should be: separate meshes with clean topology, non-penetrating geometry, LOD-friendly (Level of Detail). Attachments placed mainly on the upper carapace. Avoid excessive geometry density; rely on displacement for micro details. RENDERING & SHADING SETUP Material workflow: PBR metallic/roughness or spec/gloss (studio requirement). Carapace: metallic specular response with chitin SSS component. Soft tissues: SSS-enabled material, mid-range radius. Gems: high IOR (1.4–1.7), anisotropic highlights optional. Wetness layer: optional clearcoat on top shell and claws. DELIVERABLE FORMAT REQUIREMENTS Final model delivered as: OBJ or FBX (low-poly with UVs), ZTL or BLEND file for high-poly. All maps: EXR high-bit-depth. Naming conventions: creature_body_low creature_body_high creature_claws_low creature_carapace_DECOR creature_textures_UDIM_#### FINAL ONE-LINE TECHNICAL SUMMARY “A quad-based, UDIM-ready, rig-friendly giant crab character with a 30% oversized head, rigid carapace plates, flexible underside membranes, clean joint topology, gemstone-encrusted upper shell, and film-quality displacement-ready sculpt.”
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Anonymous1758387491
Anonymous1758387491