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As with any CAD program that allows you to create an arc, KiCad makes this process somewhat annoying. Start off by clicking to pick the center of the arc. Next, click to specify the radius of the arc. Now here’s the important part, move your mouse around to specify how long the arc extends clockwise.
Now that you’ve gotten your KiCad graphic design crash-course, let’s draw the outline of our board. Below is a dimensioned drawing of the outline that we used, but you are free to design it however you like. The only requirement is that the board is large enough to fit all the components and be a reasonable enough size to use as a keychain if you want to use it as such.
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