4 ms·If anything it was just boosted with introduction of cheap 3d printers.by Mars008 7mo agoIf anything it was just boosted with introduction of cheap 3d printers.busterarm 7mo agoAnd recent rapid improvement in the technology its availability...Mars008 7mo agoAnd filaments. Different sorts and getting cheaper. Just got into printing. Today a lot can be done withing $1000. That's including printer.