Most 3D game asset packs fail before a buyer ever opens the ZIP. The mesh has unapplied transforms, textures are scattered in a root folder named "textures_FINAL_v3", and the README is a single sentence. Buyers notice—and they don't come back. This guide covers every step from Blender cleanup to marketplace listing so your packs sell on reputation, not luck.
The Pre-Export Blender Checklist
Before you export a single file, run through this checklist in Blender. Skipping any item is a guarantee of a support ticket.
Apply all transforms. Select every mesh object, press Ctrl+A, and apply Location, Rotation, and Scale. Exported assets with unapplied scale arrive at 0.01× or 100× in Unity and Unreal. This is the single most common complaint in asset reviews.
Clean up the outliner. Every object, mesh, material, and armature should have a descriptive name. Avoid Blender defaults like `Cube.003` or `Material.001`. Use a consistent prefix—`Prop_WoodCrate_LOD0`, `Mat_WoodCrate_Albedo`—so buyers can find objects in the engine's content browser without guessing.
Check UV maps for overlaps and waste. Open the UV Editor with your mesh selected in Edit Mode and run Mesh → UV → Check Seams. Overlapping UVs cause lightmap baking errors in Unity and UE5. Wasted UV space above 15% hurts texel density at budget resolutions. Fix both before you bake anything.
Verify polygon counts against your stated LOD tiers. If your listing says "4 LOD levels," confirm each LOD exists and the triangle counts roughly halve at each step. A common mistake is exporting only LOD0 and renaming it across all four slots.
Check normals direction. In Blender's Overlay menu, enable Face Orientation. Every exterior face must be blue (outward-facing). Red faces will appear invisible or inverted in-engine.
File Format Strategy: What to Include in Every Pack
Do not ship a single-format pack. Buyers come from Unity, Unreal Engine 5, Godot 4, and custom pipelines—and each engine has a preferred format.
| Format | Best For | Notes |
|--------|----------|-------|
| GLB | Godot 4, web, Three.js | Embed textures; keep file size ≤ 50 MB per file |
| FBX | Unity URP/HDRP, UE5 | Binary FBX 7.4; avoid ASCII FBX (version compat issues) |
| OBJ + MTL | Legacy pipelines, Cinema 4D | Include as fallback; no animation support |
| PNG textures | All engines | Provide unbundled 2K and 4K sets separately |
For rigged characters, include both FBX (animations embedded) and GLB (separate animation files). Unreal imports animations as individual FBX clips; Godot prefers a single GLB with actions.
For a typical environment prop pack, your export folder should contain:
```
PropName/
PropName_LOD0.fbx
PropName_LOD1.fbx
PropName_LOD2.fbx
PropName.glb # LOD0 with embedded textures
Textures/
PropName_BaseColor_4K.png
PropName_Normal_4K.png
PropName_ORM_4K.png # Occlusion-Roughness-Metallic channel pack
PropName_Emissive_4K.png
PropName_BaseColor_2K.png
PropName_Normal_2K.png
PropName_ORM_2K.png
```
Channel-packed ORM textures (R=AO, G=Roughness, B=Metallic) are the expected standard for Unity URP, UE5, and Godot 4. Ship them alongside separated maps only if your listing explicitly targets Substance-based workflows.
Folder Structure and Naming Conventions Buyers Expect
Folder structure is invisible to buyers until it isn't. A consistent layout means zero support tickets about where the files are.
Use this root layout inside your ZIP:
```
PackName_v1.0/
README.txt
CHANGELOG.txt
Preview/
cover.png # 1920×1080 or 2400×1600
render_01.png
render_02.png
wireframe_01.png
Assets/
Prop_A/
Prop_B/
...
Blender/
PackName_Source.blend
```
Version your ZIP (`PackName_v1.0.zip`, `PackName_v1.1.zip`)—buyers keep old versions for active projects and need to tell them apart.
Naming conventions to follow without exception: no spaces in filenames (use underscores), no special characters, all lowercase or CamelCase consistently. Engines like Unreal will reject assets with spaces and some non-ASCII characters during import.
Pricing Your Asset Pack: Tiers and Value Anchoring
Underpricing hurts sales—buyers associate low prices with low quality. Overpricing with no preview renders hurts sales for different reasons. Here is a framework that works across asset categories.
Price by complexity and count, not by hours worked. The market doesn't care how long you spent on UVs. It cares how many game-ready props it gets and how production-ready they are.
| Pack Type | Typical Price Range | Included Content |
|-----------|-------------------|------------------|
| Single hero prop (LODs + full PBR) | $8–$18 | 1 mesh, 3 LODs, 2K+4K textures |
| Small themed pack (5–10 props) | $20–$45 | All LODs, full PBR, source .blend |
| Environment kit (20–50 modular pieces) | $55–$120 | LODs, collision meshes, demo scene |
| Character (rigged, animated) | $30–$90 | 5–15 animations, facial shapes, LODs |
Offer a personal license and a commercial license as separate SKUs. Personal covers solo game jam use; commercial covers shipped games and asset redistribution. This doubles your revenue per buyer who needs commercial rights without raising prices for hobbyists.
Thumbnail Renders That Drive Conversions
The cover image is your entire marketing budget for a marketplace listing. A flat, gray viewport screenshot loses to a clean studio render every time—even if the underlying mesh is technically superior.
Use a three-point HDRI lighting setup in Blender. Load an HDRI from Poly Haven, set World Strength to 0.4, and add two area lights: one key at 800W, one fill at 200W. This gives you soft shadows and readable surface details on PBR materials without harsh overexposure.
Render in Cycles with denoising on. Set samples to 256–512 for previews. Higher sample counts on flat surfaces are wasted render time.
Show wireframe overlays on a second render. Many buyers want to see topology before purchasing. A side-by-side beauty/wireframe composite image increases purchase confidence and reduces refund requests.
Demonstrate in-engine. Drag your asset into Unreal Engine 5 or Unity URP, set up a simple scene with Lumen or baked lighting, and take a screenshot. This answers "does it look good in my engine" before the buyer has to ask.
Include at minimum: one beauty render, one wireframe render, one UV layout screenshot, and one in-engine screenshot for any pack priced above $15.
Publishing on BitSoul Marketplace
Once your pack passes this checklist, upload it to BitSoul Marketplace. BitSoul indexes GLB, FBX, and OBJ formats natively, so buyers can preview your assets in 3D before purchasing—no engine required. Write a description that leads with the use case ("modular sci-fi corridor kit for first-person shooters"), lists the technical specs (poly count, LOD levels, texture resolution), and states explicitly which engines were tested.
Tag your pack accurately. Over-tagging is as harmful as under-tagging—buyers filter by tags, and irrelevant tags drive bounce rate. Stick to five to eight tags that match what a buyer would actually search.
Quality-gate your pack against this list one final time before hitting publish. A clean, well-documented pack earns reviews. Reviews earn sales. Sales earn repeat buyers. That compounding effect starts with transforms applied and a proper README—not with the mesh itself.
Browse what's already selling at BitSoul Marketplace to calibrate your pricing and identify gaps in the catalog.