List of 3D printer manufacturers "Printrbot: Your First 3D Printer", Kickstarter, Nov 17, 2011 Matthew Humphries,"Printrbot: an all-in-one 3D printer kit for $499",Geek.com, Nov 21, 2011 Strange, Adario (Sep 21, 2012).
Danh sách các nhà sản xuất máy in 3D ^ a ă "Printrbot: Your First 3D Printer", Kickstarter, Nov 17, 2011 ^ Matthew Humphries,"Printrbot: an all-in-one 3D printer kit for $499",Geek.com, Nov 21, 2011 ^ Strange, Adario (21 tháng 9 năm 2012).