What are HD3D files and how to open them
Are you having problems opening a HD3D file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a HD3D file?
A .HD3D file is a Home Design 3D Project file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open HD3D files
Important: Different programs may use files with the HD3D file extension for different purposes, so unless you are sure which format your HD3D file is, you may need to try a few different programs.
We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
Last updated: February 9, 2023
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