Eric Walker added "3d printed guns" to Ghost guns

Eric Walker added The first 3D-printed boat, 'built' by the world's largest 3D printer - YouTube to 3D printing and Ships, boats, submersibles and submarines

Eric Walker added 3D Printed Homes Could Soon Be Made Out of Dirt | Freethink to 3D printing, Cement and Carbon dioxide

Eric Walker added Eerste geprint huis in Europa op Kamp C - First printed house in Europe at Kamp C - YouTube to 3D printing

Eric Walker added r/3Dprinting - Its out! KwikJet - The 3D Printable Jetboat to 3D printing and Ships, boats, submersibles and submarines

Eric Walker added r/3Dprinting - After much trial and error, additional model reworks after an awesome remix was posted... Finally! to 3D printing

Eric Walker added 3D printing - Wikipedia to 3D printing

Eric Walker added r/3Dprinting - More silk gold porn - The man with the golden gun to 3D printing

Eric Walker added Polymer80 and a number of links to Ghost guns, and added Ghost guns to 3D printing and Firearms

Eric Walker added Ghost guns and a number of links to 3D printing, and added 3D printing to Technology

Eric Walker added a number of topics and a number of links to Technology, and added Technology to Everything