IMSAI 8080 replica
thehighnibble.com
thehighnibble.com
And also the PiDP-11 working mini replica of the PDP-11/70 front panel: https://obsolescence.wixsite.com/obsolescence/pidp-11
Dimensions: 17 1/8" x 7" x 2 11/16"
No heavy power supply, chassis, or S-100 slots.
Advice don't drop it on your foot.