Rectangular cutout needed in my pcb

[RAPTOR7762]

Very complicated process, documented here

Part creation howto part12-slots-in-parts

this is a continuation of To some extent the title is incorrect. This does not allow slots in standard parts, but rather enables the creation of a part which contains a board outline (which is still a very useful thing to do!) That means you can have a part which will create a pcb with slots in it without having to (for every new sketch) load the outline file. The template for this is in Fritzing in File->Open example->Shields->ComposedArduinoR4WifiShield. But that part assumes you know how i…