(There's no video for ArchiCAD 4.55 yet. Please contribute to MR and add a video now!)
ArchiCAD 4 is a very nice 3D CAD program for 68K Macintosh from the 90's.
ArchiCAD_4.55.sit (8.59 MiB / 9 MB)
ArchiCAD v4.5.5v7 for 68K only, NOT for PPC / compressed w/ Stuffit
Architecture: 68K only (it does NOT launch on PPC)
At least 4MB of free RAM (recommended 12MB or more, depending on your project complexity)
Mac OS 7.x
Emulating this? It should run fine under: Basilisk II