A recent instructables proposes using “Milk” as a 3D scanning medium. I think this approach may be more trouble than it’s worth.
There’s a very useful Instructable describing how to keep your 3D printer filament from getting spoiled by humidity.
We’re reading an interesting Instructable, which provides detailed instructions on how to build an actual, working concrete 3D printer. But we think this is definitely not for everyone.
Community 3D printing network 3D Hubs has swung a sweet deal with Instructables: every 3D model on Instructables now can be sent directly to 3D Hubs.