I think the curve is going exponential with printers in schools as standard,

I think the curve is going exponential with printers in schools as standard, not just from a maker teacher having one, this is going to be a faster disruptive-technology introduction than I thought.
http://www.abc.net.au/news/2013-11-07/an-3d-printing-to-revolutionise-learning-in-australian-schools/5077380

I hope so. Being able to print any shape you can draw would be a fantastic incentive for kids to learn a whole range of new things.