4.

Indent lines with a metal ruler as shown in the photo.

5.

Use the fine end of the dresden tool to make wavy lines as shown in the photo. Don't peel the door from the board. Leave it to dry for some time like this.

6.

Roll out some brown flower paste using the spacers (I stuck two lollipop sticks together with double sided tape to get 3 mm thick spacers). Cut out a strip (length - slightly longer than the width of the door; you can use the template attached).