Got response they are working on it and up to finalize it soon.
There is a work around I found out. I copy the images from eagle (manufacture Top and Bottom) and assign after right fitting them as to the top and bottom decal of the board on the imported step file of the model.
So export board as step file.
Create new file.
Import the step file.
Create from Eagle manufacturing the top and bottom image and save them.
Create decal on body of the board by selecting (no facing) the top image for the top.
Adjust the picture size about 2.15 (X an Y) in my case
Create decal on body of the board by selecting (no facing) the bottom image for the bottom.
Adjust the picture size about 2.15 (X an Y) in my case
Now you can render. Even you board looks like a pcb with the facings on the side in brown.
Even hope for the software solution for this.
Frank