3SD File Type

- The quick facts

What are 3SD files and how to open them

Are you having problems opening a 3SD 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 3SD file?

A .3SD file is a 3D Construction Kit Shape Data 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 3SD files

Important: Different programs may use files with the 3SD file extension for different purposes, so unless you are sure which format your 3SD 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: July 13, 2020

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about 3SD file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.