DRC Bot is enlarging my board

Questions about the BatchPCB service

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jimg
Posts: 4
Joined: Wed May 19, 2010 2:37 pm

DRC Bot is enlarging my board

Post by jimg » Tue Feb 26, 2013 6:32 pm

I have a small board designed with Altium, and when I upload the design, the website confirms the size is 2.925 x 1.175". After the bot has run, it claims the board is now 2.973895 x 1.365000. There's no stray parts of the board outside the outline, and the outline is only 1mil thick. The height is pretty far off (16%).

Is it just rounding up to a specific weird grid value for panelizing or is something else happening?

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