Free
About
Federgraph is a function plotter app to visualize a special built in function z = f(x, y) in 3D. The physical model behind the app is a system of springs.
The built in function produces a variety of colorful pictures, some of which appear to have a face.
Changing the parameters of the physical model will trigger a recalculation of the image.
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What's New in Federgraph
1.7.0
May 19, 2026
This version focuses on preparing for a 3D printed version of mesh. The default shape can be closed and colors can be changed more easily. This will give you a preview of how the printed figure will look like.
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