To expose copper requires adding an aperture in the solder mask layer.
**To expose copper in any area:**
Draw and place a Solid Region or Rectangle;
Select it;
In right hand panel, select the Top or Bottom Solder Mask layer.
**To expose copper on a track segment:**
Left click to select track;
Left click again to select track segment;
Click on Expose Copper in the right hand panel.
Our website uses essential cookies to help us ensure that it is working as expected, and uses optional analytics cookies to offer you a better browsing experience. To find out more, read our Cookie Notice
Brand new interactions and interfaces. 
Easy to use and quick to get started. 