I fixed my failed 3D prints with a top Z distance test; here's how

You just have to print more trees ...
Fabbaloo

Formlabs Continues to Test 3D Printer Resins

Formlabs is offering to test the safety of any 3D printer resin.
Hackaday

Tips For 3D Printing Watertight Test Tubes

[DaveMakesStuff] uses 3D printed test tubes for plants and similar purposes, and he’s shared how to make them on a 3D printer, complete with different models each optimized for different nozzle sizes.
EDN

Imec Teams With Cadence to Present Automated Design-for-Test (DFT) Solution for 3D Memory-on-Logic

Leuven, Belgium, January 22, 2013 – At the European 3D TSV Summit in Grenoble, France on January 22-23, 2013, imec, a world-leading nano-electronics research institute, today announced that together ...