To view a 3D model collection by the Center for Digital Heritage, click here. A deeper dive into President Carter's hometown: To view the 3D Furniture Project, click here.

This post lists down the best free 3D File Viewer software for Windows 11/10 to view and analyze 3D models & STL, etc, files. ... orthographic, top, front, right, rear, left, bottom, etc.

On the technology front, Sketchfab lets you view 3D models on any platform. The Sketchfab viewer works with all major browsers on both desktop and mobile — you can see an example on Sketchfab.

Now, how can you view a 3D model present in the .stp/ .step file on your Windows 10 PC? The native 3D apps like 3D Viewer or Paint 3D don’t let you open a STEP file.