3DMK file - How do I open a .3dmk file?
The table below provides useful information about the .3dmk file extension. It answers questions such as:
- What is the .3dmk file?
- What program do I need to open a .3dmk file?
- How can the .3dmk file be opened, edited or printed?
- How can I convert .3dmk files to another format?
Table of Contents
- ✅ Autodesk 123D Make Project
- 🔄 .3dmk file converters
- 🚫 .3dmk file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Autodesk 123D Make Project

The 3DMK file is an Autodesk 123D Make Project. Autodesk 123D Make is a slicer program that takes 3D objects and slices them up in a variety of ways to use in 3D printers, laser, CNC, etc.
Other types of files may also use the .3dmk file extension.
🚫 The .3dmk file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .3dmk file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.3dmk
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .3dmk file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .3dmk file extension, write to us!