Has anyone had chance to look at this free HyperLynx DRC product that can be used with AD?
https://www.mentor.com/pcb/hyperlynx/electrical-rule-check/drc-editionsSupported PCB layout systems and formats include:
• Mentor Graphics PADS®, Xpedition®, and Board Station®
• Cadence Allegro®, SPECCTRA®, and OrCAD®
• Zuken CADSTAR®, Visula®, CR-3000/5000/8000 PWS, and Board Designer
• Altium® Designer
• ODB++
• IPC-2581