Save texture in 3dm
How to save textures in 3dm files
When saving a new 3dm file, the Save textures checkbox is available in the Save dialog box.
Enable the Save textures checkbox to embed images used by materials, environments, and decals into the 3dm file.
Disable this checkbox if you want the images linked externally. If the images are lost, they will be reported as missing when the 3dm is opened. A dialog box will appear for relocating the images.
How does Rhino find textures?
When Rhino opens a 3dm file that refers to an image in a material, environment, or decal, it searches for these images in these locations:
What is the "<filename>_embedded_files" folder?
When Rhino opens a 3dm, and the embedded images cannot be found on the disk. The embedded images will be extracted into the *_embedded_files folder in the same location as the 3dm file.