diff --git a/electronics/pcbfabrication/soldermask.md b/electronics/pcbfabrication/soldermask.md
index ac1b9e2..590d0c1 100644
--- a/electronics/pcbfabrication/soldermask.md
+++ b/electronics/pcbfabrication/soldermask.md
@@ -17,6 +17,9 @@ ___
 
 The polyethyleen prevents the paint from sticking to the transparency. I started out using cling film, which works but tends to wrinkle. A better alternative I found is a disposable sandwich bag.
 
+[[soldermask/sandwichbag.jpg]]
+
+
 ## Applying the paint
 1. Put some paint on the board. Not too much, we want a thin coat. Exactly how much and where to apply it initally is a matter of experimenting. Some people work from the middle outwards, I tend to put little blobs all over the board.
 1. Put a piece of polyethyleen on top and cover that with the transparency. The transparency will prevent tearing in the next step.