Was modifying a pcb i made last week but when i click Alt+3 it only shows the new components i added, and the rest were missing. Was trying to add a cutout and pads for revers mounted drop in leds for my future Keyboard, but when i want to see the model of it, it only show me the cutouts
I don’t see the board outline in your layout. On the other hand I don’t see any cutouts there, either. But if you don’t have the outline in Edge.Cuts layer and have only cutouts there, the 3D view “thinks” you have 3 separate small boards there.
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When there is no board outline defined at all, then KiCad defaults to drawing a rectangle around the footprints.
Posting such big screenshots is also unwieldy. Try to keep screenshots to a with of around 1000 pixels or so. This makes them easily viewable in a web browser window for everyone.
You have to define the size of the PCB itself. Lines in Edge.Cuts, that go around all the switches.