Originally Posted by
dharmic
I'd be leery of doing this, myself. Apart from the fact that there are (infinity) ways of making a master faster, warping is a huge issue with large prints and I simply wouldn't trust a square model on the screen to turn into a square master on a larger print. Especially with ABS.
At least with PLA you can print cold with a layer fan, a much lower shrinkage factor and a stiffer material more likely to hold its shape.
But I'd be more inclined to use a fairly easy working, homogeneous timber.