Issue link: https://resources.pcb.cadence.com/i/1532919
Steps: 1. Open Constraint Manager. 2. Navigate to the Design for Assembly category. 3. Select the PkgToPkg Spacing section. 4. Set minimum distances between different component types (see below). 5. To set the component spacing, choose the Show symbol classifications … button at the bottom, categorize your components into different DFA Package Classes. 6. For 3D constraints, go to the Constraint Manager 3 Dimensional category and adjust component clearances. 7. Create a Package to Package 3D Constraint Set and for the CSet Usage, choose Spacing3D. 16 www.cadence.com OrCAD X Constraint Management Guide