Desmos 3D Graphing Calculator--but you can drag anywhere on the graph (see last item in expression list for credit for 3D grapher) : r/desmos
3D Graphing Calculator in Desmos : r/desmos
3D Graphing in Desmos (Part 1 - Drawing a Cuboid) - YouTube
Desmos - Wikipedia
Desmos Graphing Calculator for Volume of 3D-Shapes - YouTube
Desmos - Wikipedia
A 3D graphing Calculator projected on a 2D graphing calculator – A Child's view of the World
Make a 3D engine in Desmos in 3 minutes. - YouTube
A 3D Graphing Calculator in Desmos : r/desmos
FAQs: Desmos Graphing Calculator – Desmos Help Center
3D Graphing, Point, and Sliders - YouTube
3D Earth : r/desmos
Graph your own 3D parametric equation! : r/desmos
Desmos on Twitter: "@court_breiner 3D isnt a Desmos feature but our users have created graphs that make it happen https://t.co/4xKtnpveB2 http://t.co/VjWhLoKsTb" / Twitter
3D Fractals in Desmos Graphing Calculator - YouTube