I have a Gerber package created in Diptrace. There are 9 oval slots in this board. In the drill file, I have located 9 lines which I am pretty sure correspond to these slots (all other lines removed): M48 INCH T06C0.0394 T09C0.0512 % T 06 X+038930Y+007482G85X+038930Y+006498 X+040367Y+005809G85X+041351Y+005809 X+040269Y+008171G85X+041450Y+008171 T09 X+035985Y+016090G85X+036615Y+016090 X+039765Y+016090G85X+040395Y+016090 X+026765Y+016090G85X+027395Y+016090 X+022985Y+016090G85X+023615Y+016090 X+013765Y+016090G85X+014395Y+016090 X+009985Y+016090G85X+010615Y+016090 T00 M30 However when I use the viewer tool, I don't see the slots, only the ovals representing the pads. ![board section showing 5 slots][1] [1]: /editor/20170909/59b2f14626e29.png I sent my Gerbers to a friend who is a professional layout guy and he said that on his workstation, it looks like there are slots. I just want to confirm that my board really will have slots even though they are not rendered in the Gerber viewer. Thanks! DL