We have found one software suitable in our database for this conversion.
The easiest way to achieve 3mf to jpg conversion, i.e. 2D export of 3D model exported as .3mf file to a JPEG format (.jpg) is to use the Paint 3D app available for Windows 10, which you can get from Microsoft Store for free.
Once you have opened your .3mf file in Paint 3D, simply click on the folder icon in the upper-left corner and use the Export file function to convert 3mf to jpg. This will create 2D picture of your model.
3MF
Files with 3mf extension can be typically found as 3D models saved in special 3D Manufacturing Format. Used for 3D printing purposes mostly, but users might also save 3D models in this format in the Paint 3D program from Windows.
JPG
Files with jpg file extension contain pictures, digital photos, and other bitmap images. It is one of the most common image formats used today.