fab modules
OpenSCAD
Hyperfun

On NURBS: a Survey
Function-Based Shape Modeling: Mathematical Framework and Specialized Language
Interval Arithmetic: from Principles to Implementation
Interval Methods in Computer Graphics
Geometric Modeling Using Octree Encoding
Interval Arithmetic and Recursive Subdivision for Implicit Functions and Constructive Solid Geometry
Parallel Spatial Enumeration of Implicit Surfaces Using Interval Arithmetic for Octree Generation and Its Direct Visualization
Marching Cubes: a High Resolution 3D Surface Construction Algorithm
Decimation of Triangle Meshes
Variational Tetrahedral Meshing
Free-Form Shape Design Using Triangulated Surfaces
Marching Triangles: Delaunay Implicit Surface Triangulation
Visual Languages and Computing Survey: Data Flow Visual Programming Languages
The Factor Graph Approach to Model-Based Signal Processing