A geometric modeling kernel is a
solid modeling
Solid modeling (or solid modelling) is a consistent set of principles for mathematical and computer modeling of three-dimensional shapes '' (solids)''. Solid modeling is distinguished from related areas of geometric modeling and computer graphi ...
software component used in
computer-aided design
Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve c ...
(CAD) packages. Available modelling kernels include:
*
ACIS is developed and licensed by
Spatial Corp
Spatial Corporation was founded in 1986, and had one main product: ACIS, the first commercially available 3D modeling kernel. Through subsequent years, Spatial added products to its portfolio that enabled ISVs mostly in the CAD/CAM industries, t ...
oration of
Dassault Systèmes
Dassault Systèmes SE () (abbreviated 3DS) is a French software corporation which develops software for 3D product design, simulation, manufacturing and other 3D related products.
Founded in 1981, it is headquartered in Vélizy-Villacoublay, Fr ...
.
*SMLib is developed by
Solid Modeling Solutions
Solid Modeling Solutions is a company who has an implementation of a mathematical representation of many NURBS (Non-uniform rational B-spline), 3D geometry, and Solid modeling technology which emerged in the 1980s and 1990s into a commercial implem ...
.
*Convergence Geometric Modeler is developed by
Dassault Systèmes
Dassault Systèmes SE () (abbreviated 3DS) is a French software corporation which develops software for 3D product design, simulation, manufacturing and other 3D related products.
Founded in 1981, it is headquartered in Vélizy-Villacoublay, Fr ...
.
*
Parasolid
Parasolid is a geometric modeling kernel originally developed by Shape Data Limited, now owned and developed by Siemens Digital Industries Software. It can be licensed by other companies for use in their 3D computer graphics software products. ...
is developed and licensed by
Siemens
Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad.
The principal divisions of the corporation are ''Industry'', '' ...
.
*
Romulus
Romulus () was the legendary foundation of Rome, founder and King of Rome, first king of Ancient Rome, Rome. Various traditions attribute the establishment of many of Rome's oldest legal, political, religious, and social institutions to Romulus ...
was a predecessor to Parasolid.
*
ShapeManager
Autodesk ShapeManager is a 3D geometric modeling kernel used by Autodesk Inventor and other Autodesk products that is developed inside the company. It was originally forked from ACIS 7.0 in November 2001, and the first version became available ...
is developed by
Autodesk
Autodesk, Inc. is an American multinational software corporation that makes software products and services for the architecture, engineering, construction, manufacturing, media, education, and entertainment industries. Autodesk is headquartered ...
and was forked from
ACIS in 2001.
* Granite is developed by
Parametric Technology Corporation
PTC Inc. (formerly Parametric Technology Corporation) is an American computer software and services company founded in 1985 and headquartered in Boston, Massachusetts. The global technology company has over 6,000 employees across 80 offices in ...
.
*
C3D Modeler is developed by C3D Labs, part of the
ASCON Group.
*
CGAL is an
opensource
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized so ...
Computational Geometry Algorithms Library which has support for boolean operations on Polyhedra; but no sweep, revolve or NURBS.
*
Open CASCADE
Open Cascade is an Information Technology Company of Capgemini,. Open Cascade provides services in the domain of scientific and technical computing and simulation tools.
Open Cascade is primarily known to public for its Open Source platforms the ...
is an
opensource
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized so ...
modeling kernel.
*sgCore is an
opensource
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized so ...
modeling kernel, with precompiled libraries only, for Windows only.
*
Open Inventor
Open Inventor, originally IRIS Inventor, is a C++ object-oriented retained mode 3D graphics toolkit designed by SGI to provide a higher layer of programming for OpenGL. Its main goals are better programmer convenience and efficiency. Open Inven ...
is both a