Thanks to decent emulation, cheap hardware, and 3D printing, some of my friends have things like this [0] sitting around.

[0] https://www.tindie.com/products/obso/pdp-11-replica-kit-the-...

Looks like there are several emulators around: http://www.avanthar.com/healyzh/decemulation/pdp10emu.html#e...