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Printed Circuit Boards (PCBs) are composed of a sandwich of alternating layers of insulating substrate and conducting copper layers. The copper layers are etched to form connecting tracks between components as well as earth/ground or power planes. The simplest PCB has one substrate layer and one copper layer. Generally only the copper layers are counted. A complex PCB might have seven layers.
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How do I disable clearance check for a layer or for only some certain elements?
You can specify a design rule for that component:
Design > Rule > Placement > Component Clearance,
Add new rule like this:
Advanced query: InComponent('D1') //assume the component is 'D1'
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