Ever have the problem of shoelaces that come undone? If so, and provided that you own or have access to a 3D printer, then additive manufacturing gurus Noe and Pedro Ruiz may have just the DIY solution for you. Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool's board of directors. Beth McKenna has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Alphabet (A and C shares), Ford, Nike, and Proto Labs. The Mot... At Autodesk's Pier 9 workshop in San Francisco -- and no, this isn't an ad, pull down the description for more! -- there are giant robot arms using welders to 3D print with stainless steel. Which seemed like a good place to talk about programming abstract... My first big project using my 3d printer has been designing the perfect end cap for T-Slot aluminum extrusion. After dozens of attempts, I finally have a design that makes me happy. One bowl full of failure equals one perfect end cap. http://blog.duerig.i... This was a fun project. I delayed in getting some speakers so it didn't turn out to the full potential that I imagined. However the lighting portion turned out great. Finished Project A lot of the science behind 3D printing is intensive study of material properties, especially when it comes to industrial additive manufacturing. Some of the most advanced research of materials for 3D printing is being carried out at Lawrence Livermore Na... Check out TPT's most recent video on improving Bed Adhesion when 3D Printing! It's been quite a while since Ultimaker has released and update to their lineup but this new version packs some cool features. I'd love to test one in the future to see how it stacks up against the Fl... It's finally here! Just finished editing this last night and pushed my poor internet connection to it's limits to get this up for my Wednesday upload! I hope you enjoy!