A quick and dirty guide to choosing used telemark gear–especially on a tight budget. Interested in trying to telemark? Nice!

From a build of LotR's Barad-dûr to the Titanic, here are some excellent 3D puzzle alternatives to some of LEGO's pricier ...

UKAEA 3D prints fusion energy components using Freemelt's eMELT E-PBF machine and Nikon SLM Solutions' SLM280.