Yep, free. No secret sign-up, no subscription pitch — just head over to ParkTool.com and download the STL files under a Creative Commons BY-NC-SA 4.0 license. That means you can share, remix, or ...

But the actual files that can be downloaded and 3D printed are being freely shared through the Printables platform, which is accessible globally. You still can’t 3D print yourself a new beard ...