I looked through a small fraction of my surprisingly vast pile of CAD diagrams for some I thought might look good in really large format. Some I’ve gone some distance towards formatting them that way already; some are still formatted for small sheets. There are more, of course. In no particular order.
Lockheed CL-400 “Suntan”
Lockheed M-21/D-21:
Lockheed A-12:
Lockheed SR-71A:
Lockheed YF-12A:
X-20 Dyna Soar/Titan III:
A number of 10-Meter Orion vehicles/sub-vehicles:
USAF 10-meter Orion:
General Dynamics “Kingfish:”
North American XF-108:
Lockheed A-12 concept w/canards:
Boeing B-47E:
Boeing B-52G:
Boeing B-52H:
Boeing B-52H + Skybolt:
Boeing DB-47E + Bold Orion:
Rockwell Star Raker:
Boeing “Big Onion” SSTO:
Boeing Space Freighter:
NASA Saturn C-8:
Lockheed STAR Clipper: