Search:

https://pinshape.com/items/592-3d-printed-flexbot-hexacopter

to a museum trust actually

accuracy, surface finish. and price obviously.

historical artifacts are really good, but I am not so sure about the printer models

nice, the look is also good. but, is it robust enough?

price of the printers, obviously

PET, PLA.
Ceramics

Aerospace materials, maybe

fully assembled functional electronic gadgets

Ceramic, again, answered earlier

Batman, already answered that

PLA and PET

Site layout is simple.
3D printed car models will be great gifts, for me :D

More flexible materials

a heated bed and/or a heated build chamber

Bronzefill

Adabot https://learn.adafruit.com/3d-printed-adabot-figurine

Chris Anderson, may be

Batman and Doremon :D

custom footwear!

EasyWood is the one I would like to try, and ceramic filaments is what I would like you to develop.

making car models is my hobby, and making architectural models is what I have to do for my living

PET mostly

The prices are a bit high, but the website design is nice.

Object 3D and RepRap