Reading the fascinating article about the serendipitous discovery of what are so far the oldest human tools ever found. They’re 3.3 million years old, pushing back the date of tool-making by 700,000 years.
On that page there is a link to another page that offers 3D scans of over 120 African fossils that you can rotate and examine in three dimensions.
This is a screen cap of that page:
And of one of the fossils:
Now go play: