Me three. Great stuff 
I am curious about your monitor sizes and resolutions
Here is a status update on the build I posted a while ago. Racing to have something flyable for when Asobo releases multimonitor support
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My 3D printed G1000 PFD. Still a few rotary knobs to add but working great so far. Definitely feels more like the real thing now.
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The panel I am finishing for A2A Comanche and p3dv5. Thi is fully functional in p3dv5.
Real gauges modded to work with the simulator.
I have tested some gauges in FS2020 through fsuipc7 and I can make it work.
But I need a2a to migrate the comanche and sdk make Lvars accesible.
So… I have to wait.
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absolutely incredible. what display are you using, just an HDMI/DP display?
What are you using for the knobs as well? I am pretty interested in someday doing something like this
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Thanks! The display is only in the Gtn750. It uses a touch panel, using flight1tech software. So it works exactly as the real gtn750 unit. The bezel of the gtn 750 is 3d printed, and buttons and encoders are functional.
the knobs of the whole cockpit are… the real knobs. Because all the gauges are real.
I can’t put links but you can find a video with some demo movement in youtube using the sort link Eag0DRNq86s
In the a2a piper comanche forum you can find a thread with building.
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How did you implemented with MSFS2020?
It is now 100% working with p3d v5.
I have tested in Fs2020. It works with lua scripts and fsuipc 7… But we don’t have a piper comanche in fs2020 and I will wait for A2A Comanche, to make it work with all their systems.
But I have tested some gauges (compass, hsi, ASI, horiz, adf,radios… ) and it works everything in fs2020 with the generic variables fs2020 has.
I need to wait for A2A and their comanche, and the LVars access to interface it 100% as I have in p3dv5.
I can make a similar cockpit that works 100% with airplanes actually are in fs2020. But they don’t have so deep simulation in systems as A2A has in p3d.
Some pretty mind blowing setups here!
As a semi-retired AME all these shots of the wiring and structural builds are triggering my nerves! 
My arrangement is a lot more humble:
Stand outs include an XTouch Mini to use for com/nav/AP/etc and my Opentrack rig built on an old set of David Clarks.
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How are you mapping the knobs to the in game equivalents, especially the lower right selection knobs.
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This is my set-up. The picture is showing Prepar3D with 3 4K screens (1 65" TV and 2 32" monitors) :
Because of the angle that the picture is taken, the side views show a worse color than in reality. I started out with FSX SE, but that didn’t work because of frequent crashes due to out of memory issues (32-bit program!). Then moved on to Prepar3D V4 and V5 soon after that which does a much better job at gfx and memory handling. Too bad FS2020 does not have support for multiple screens yet, but if I stretch the main screen out to the two side screens (the side monitors wouldn’t really show the actual side view, but just for testing anyway), the FPS drops significantly to the level of unusable. I am currently running a RTX3090 with a 5GHz 9900KS. Before this I had the 2080Ti, but the improvement in FPS is only 10 to 25% (using one screen).
An interesting thing that I mostly started to learn from FS2020, is that the majority of planes these days all feature Garmin screens! So my set-up seems a bit outdated already. Here is an interesting thing though: because the side screens have no function yet, I made separate views of the 2 Garmin screens (or 4 for the planes with touch screen input variants) and dragged them to one of the side monitors. The FPS drops when doing that. However, when I connect a 4th monitor to the onboard Intel HD graphics and drag the Garmin views there, the FPS does not drop! Perhaps that sounds logical because the Garmin screens are then rendered by a different GPU, but it surprised me nevertheless. So I’m contemplating adding a 15" Full HD touch screen monitor on a monitor arm/holder (not sure how that is called in English!) at the bottom right side to display the Garmin screens on. Or perhaps it’s time for a cockpit 2.0 version or go VR… 
One thing I didn’t realize when creating the side screens is that you are sitting so close to the left one, that, although it’s 4K, it’s a bit strange to look at. Perhaps I should put a bigger monitor at a distance so you can really view out of the ‘window’. Now I only need a bigger house! 
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I agree with your assessment of using the Intel default HDMI port.
I am running Little Nav Maps on my Intel HDMI port and I do not see any drops at all on my 4K monitor.
Wow I’m going to get a 3090 with 3 4K TVs. What FPS ae you getting with what settings on P3D?
Here my temporary setup. I’m waiting for my Honeycomb throttle and then I will built a more proper setup. I will probably not use the switch panel and depending how the autopilot on the Honeycomb works, I will decide whether to keep the multipanel or not. Got this rig built by Jetline Systems and I will replace the pedals soon. I know Honeycomb is coming with a new set so I might wait for those. I will also stop using the X52 once I get the throttle.
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Depends very much on the scenery, but anywhere between 15 and 40 fps. The difference in FPS between the 3090 and 2080ti is marginal (1 fps) because Prepar3D is heavily CPU-bound.
With FS2020, the GPU utilisation is over 90% and within this ‘cabin’ it gets pretty warm. 
What is the hack you are mentionning to get this view ?
Thank you !
Don’t forget one of these CO detectors. Looks a little stuffy in there.
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