# how-do-i-upload-manage-my-library

> Learn how to upload, modify, and replace materials in custom SketchUp and 3D models with Coohom. Discover tips for handling large model sizes. Start designing now.

- **URL**: https://www.coohom.com/helpcenter/how-do-i-upload-manage-my-library
- **Locale**: en_US
- **Updated**: 2026-06-10

## Content

Uploading your own models is supported in Coohom, while there are some restrictions. Please find out below relevant articles.

* **[What if the size of the Sketchup model is too large?](https://www.coohom.com/en_US/helpcenter/article/the-size-of-sketchup-model-is-too-large?kjl_source=hc)**
* **[How to Add and Modify 3D Models?](https://www.coohom.com/en_US/helpcenter/article/how-to-add-and-modify-3d-models?kjl_source=hc)**
* **[How to replace the material of SketchUp/3dmax models?](https://www.coohom.com/en_US/helpcenter/article/how-to-replace-the-material-of-sketchup-models?kjl_source=hc)**