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I have been playing with the board shape, im planning to send this to OSH spark for manufacturing, however i have doubts about if they can do cutoffs of the boards like this or any other possible form i desire, or should i just stick to square shaped pcbs?

enter image description here

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    \$\begingroup\$ Have you tried, you know... asking them? \$\endgroup\$ – Ignacio Vazquez-Abrams Nov 22 '14 at 21:59
  • \$\begingroup\$ well... no i havent \$\endgroup\$ – GoatZero Nov 22 '14 at 21:59
  • \$\begingroup\$ It would be a very poor fab house that couldn't do simple routing like that. If they can't then they aren't worth using. \$\endgroup\$ – Majenko Nov 22 '14 at 22:01
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    \$\begingroup\$ @Majenko-notGoogle - it's true that most fab houses can do this, but that doesn't mean that they will under a given pricing/service tier. But there have been OSH Park orders with creative routing done, so the answer is probably, if it doesn't interfere with their joining tabs too much. The exception is that the sharp inside corners near the left side can probably not be produced as drawn, as the milling cutter will have a minimum diameter. \$\endgroup\$ – Chris Stratton Nov 22 '14 at 22:34
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    \$\begingroup\$ If you use an inside corner radius that is more like 50mils you'll have a better chance. Outside corners can be sharp. \$\endgroup\$ – Spehro Pefhany Nov 23 '14 at 1:09
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Yes, OSH Park will do custom board outlines. Just use the Dimension layer to draw the outline that you would like. OSH Park will attempt to fulfill your request as long as it is a reasonable(*) geometry.

For example, here's a board I had fabricated recently by OSH Park. I needed rounded cutouts in two of the corners:
enter image description here

(*)The definition of "reasonable" here can only be defined by the OSH Park people themselves. You'll have to ask them directly if you think your geometry is tricky.

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