Is 3D printing sustainable?

Hi all!
This is my thesis question for my University project of which i have to write 10,000 words on!!
Please answer my short survey, just 10 easy 'tick in a box' questions!
If you have any comments there is a box at the end if you are able to please offer any support, knowledge, opinions and advice on the subject!

Thank you so much in advance, it won't take a minute and will really help my investigation!

https://www.surveymonkey.com/s/W6VDQSP

Any comments on this thread will also be beneficial and greatly appreciated as this is a new subject area to me which is of great interest!!
My degree is Level 6 and titled BA Business Management with Sustainability

Thank you

Submitted. Good luck to you.