I made a clone matrix array of copper pads (rectangles on the copper layer). Now I'd like to make a soldermask which slightly overlaps the pads (I think these are called "soldermask defined pads"). How do I achieve this? Thanks.
Edit: are solid areas on the soldermask layer areas where soldermask will be applied or removed?
![Untitled.png](//image.easyeda.com/pullimage/gYPAydtfKQldXPD8oqsHpJTejDsMDASpCiJo0ui2.png)