This is really kind of impressive: http://learn.colorfabb.com/lets-make-something-clear/?goal=0_1a6ee87001-3bc698e1c3-235900749 Oddly right now I'd find the ability to print clear windows in certain parts more useful than printing with scaffold. How much longer can I resist to go Dual?!
If you are interested in printing transparent objects then you may like this: https://www.kickstarter.com/projects/polymaker/polysmooth-and-polysher-3d-prints-without-layers/posts/1574535 Obviously, for more than single wall objects transparency will be reduced, but maybe some of ColorFabb's methods can be applied.And It avoids all that sanding