Export the UV from Marvelous Designer into Substance Paint

1. Export patterns into OBJ file for substance paint

1) open the UV Panel ( menu on the right corner)

2) arrange the patterns in 1-1panel

3) only choose those ones that you want to export and follow the selection as below:

2. Open and create a new file and import the OBJ file that just saved from MD

3. add texture in substant painting

4. Export the texture

5. Add texture into MD file

1) open MD file again

2) add a new fabric (or you can use the existing one)

3) link the basic map on Texture 

4) change the "Texture Repeat" if the texture is not fit the file well.

6. You also could link more maps into the MD file to finish the look.