1. Right click on the color used for motif.
2. Select the option Select Area Of This Color In Design.
3. Replace the selected motif with transparent color or delete it.
4. Create a new layer.
5. Put the new layer before the background.
6. Select colors as primary and secondary color
7. Choose the CONTOUR (CarpeTools > Create > Irregular > Contour)
8. Try the different variation offered by Contour.
Motif with Contour Effect