I'm a passionate gamer for more than 20 years and my father knows his way in metalworking. We had some free time:
The keyboard+mouse+joystick, monitor and steering wheel holders are telescopic ("pullable") and you can adjust the angle too. My father did all the handiwork, I was just the designer It's not really a cockpit, but more a flying/racing/casual gaming rig. Since I don't really care about visually simulating a cockpit, focus was on functionality.