When you want to sleep in during a cold winter morning - but the dog needs to get out of its crate - you can turn to Les Kelly's Easy Out Gadget. Click a controller and the dog's door opens while you get a few more zzz's.
The controller works from many floors away. Once you push the button, the door pops open and out comes pooch flying up to greet you - or run out the doggy door. The build instructions are relatively easy and this gadget requires few parts.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.