# enterprise-the-requirements-of-publishing-3d-models-to-public-library
> Learn to ensure your product models meet Coohom's criteria for accurate display in the Public Library. Enhance model quality and visibility. Start designing now.
- **URL**: https://www.coohom.com/helpcenter/enterprise-the-requirements-of-publishing-3d-models-to-public-library
- **Locale**: en_US
- **Updated**: 2025-06-11
## Content
For product models that want to be displayed on the Public Library , the name should accurately describe the product , and the category and preview image must also match with the actual product.
For Users
=========
All enterprise users
Product Information
===================
1. Name
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**(1) You can choose from the following keywords:**
Brand, Style, Color, Material, Space, Type(MUST BE INCLUDED).
Don't change the order of this keywords.
**(2) Not allowed keywords:**
Pure numbers, special symbols(\\ / _ \> \< \* % \^ ! \~), personal names, place names, company names, and contact information.
Reference: Castle Rock Bar Table
2. Model Category: Match with the actual product category
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Referenceļ¼
3. Angle of Preview : The preview model is set on frontal view
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So please adjust the model to a right orientation on the modeling software before uploading.
Reference:
Model Quality
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Model displayed on the public library must be modeled correctly according to the Coohom modeling standards with clear material textures and correct structures.
1. Model Material
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**(1) White model is not allowed:**
Models without any material are not allowed.
Incorrect example:
**(2) Black surface is not allowed:**
Material turn black due to material loss, normal reversal or UVW error.
Incorrect example:
**(3) Texture error is not allowed :**
Models with broken texture or textures that do not match the actual effect.
Incorrect example:
**(4) Using reasonable materials:**
Materials like leather or fabric should have clear textures , especially for black color material.
Effect reference:
**(5) Unreasonable color matching is not allowed:**
Color matching should be good looking, not too bright or appear as material loss colors, like bright red, green or purple.
Incorrect example:
**(6) Texture size:**
It is recommended that textures file size used on the model within 1-10 M.
**(7) Image format :**
The texture files used on the model should be .jpg, .png, or .jpeg format, with the RGB color mode.
2. The model structure must be displayed clearly and accurately
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**(1) Interpenetration, overlapped faces, and broken surfaces are not allowed:**
Incorrect example:
**(2) Low precision models are not allowed:**
Incorrect example:
**(3) Non centered models are not allowed:**
There are unless objects around, causing the model not to be centered.
Incorrect example:
**(4) Single-sided model is not allowed:**
Single-side faces can cause abnormal rendering effects, like fish eye distortion.
Incorrect example: (the thickness is 0 )
3. The model's appearance should be reasonable and following current trends and aesthetics
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**(1) Trends:**
Materials such as stone, metal, acrylic, etc., are more in line with current trends. Generally, Only models created within the last 3 years will be published to the public library.
**(2) Proportion Coordination:**
Decorations should match the main furniture, and individual furniture within furniture sets should also maintain proportional coordination.
**(3) High Quality Model:**
The model has a reasonable structure with seamless textures.
**(4) Accurate Dimensions:**
The model should adhere to standard real-world sizes. The model's dimensions should not exceed 30 meters (length, width, and height all should not exceed 30 meters). Special-sized models will be considered case-by-case.
4. Set the Gamma/LUT value to 2.2, meaning the model preview background should be pure white
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**(1) Opening the 3ds max source file and setting the Gamma value to 2.2.**
Reference:
**(2) VRay material reflection and refraction subdivision value set between 8-16.**
Model Combination
=================
1. A single part of a model is not allowed
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**(1) For example, the left/right arm of a sofa or the corner piece.**
Incorrect example:
**(2) The accessories of cabinet/wardrobe models, like drawer frames, built-in baskets, back panels, are custom accessories for customized cabinets. Don't publish them to the Design Tool public library. They can be uploaded to the Advanced Tool Custom model library.**
Incorrect example:
**2. Model combinations can be published as appropriate**
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**(1) Inseparable combined furniture (like modular wardrobes) and furniture with accessories (like wardrobe with clothes) can be uploaded as a whole.**
Reference:
**(2) Furniture with a background wall needs to be separated. While TV cabinet set with necessary background can be uploaded as a whole.**
Reference:
Incorrect example:
**(3) Multiple individual models need to be separated and uploaded individually.**
**(4) Multiple ceiling models for different spaces need to be separated and uploaded individually.**
**(5) The furniture sets:**
5.1. The furniture sets model combination should be set at front view, and set as "Show in tool".
5.2. Only the following categories of furniture sets can be published: sofa combinations, TV cabinet combinations, dining table combinations, bedroom combinations, vanity table combinations, and desk combinations.
**(6) Requirements for publishing the furniture collections:**
Models of the same series with different colors, directions, and materials can be added to a collection and be published together.
Reference:
Enterprise Public Model to Coohom Brand Library
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Merchants who purchase the Coohom Brand Library service also need to meet all the requirements above before publishing enterprise products to Coohom Brand Library.