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Geometric modeling kernel

3D modeling software component

A geometric modeling kernel is a solid modeling software component used in computer-aided design (CAD) packages.{{cite web | access-date = 2006-12-28 | archive-url = https://web.archive.org/web/20070927203719/http://www.designnews.com/article/CA155479.html | archive-date = 2007-09-27 | url-status = dead | author-link = Jami Shah

ACIS is developed and licensed by Spatial Corporation of Dassault Systèmes.
SMLib is developed by Solid Modeling Solutions.
Convergence Geometric Modeler is developed by Dassault Systèmes.
Parasolid is developed and licensed by Siemens.
Romulus was a predecessor to Parasolid.
ShapeManager is developed by Autodesk and was forked from ACIS in 2001.
Granite{{cite web |access-date=18 May 2013 |archive-date=3 July 2013 |archive-url=https://web.archive.org/web/20130703092253/http://www.ptc.com/products/granite/faq.htm |url-status=dead
C3D Modeler is developed by C3D Labs, part of the ASCON Group.
CGAL is an opensource Computational Geometry Algorithms Library which has support for Boolean operations on Polyhedra; but no sweep, revolve or NURBS.
Open CASCADE is an opensource modeling kernel.
sgCore is a freeware proprietary modeling kernel distributed as an SDK.
K3 kernel{{cite web |access-date=9 August 2016 |archive-date=9 July 2016 |archive-url=https://web.archive.org/web/20160709045028/http://k3-tent.com/about-the-developer.html |url-status=dead
SOLIDS++{{cite web |access-date=17 August 2016}} is developed by IntegrityWare, Inc.
APM Engine{{cite web |access-date=18 August 2016 |archive-date=20 August 2016 |archive-url=https://web.archive.org/web/20160820002222/http://apm.ru/produkti/programmnie_kompleksi/APM_WinMachine/APM_Studio/ |url-status=dead |access-date=18 August 2016}}{{cite web |access-date=18 August 2016}} is developed by RSDC APM.
KCM{{cite web |access-date=26 May 2023}} is developed and licensed by Kubotek Kosmos{{cite web |access-date=13 April 2023}}
SvLis Geometric Kernel became opensource and discontinued, for Windows only.
IRIT modeling environment, for Windows only.
GTS GNU Triangulated Surface Library, for polygon meshes only and not surfaces.
Russian Geometric Kernel.
Geometry Kernel,{{Cite web
SolveSpace has its own integrated parametric solid geometry kernel with a limited NURBS support.

Kernel market

The kernel market currently is dominated by Parasolid and ACIS, which were introduced in the late 1980s. The latest kernel to enter the market is KCM. ShapeManager has no presence in the kernel licensing market and in 2001 Autodesk clearly stated they were not going into this business.

The world's newest geometric modeling kernel is Russian Geometric Kernel owned by the Russian government, and it is not clear if it is going to be commercially available, despite offering unique features over the other kernels on the market.{{cite web |access-date= 15 August 2016}}{{cite web |archive-url= https://web.archive.org/web/20221103151739/https://www.singularis-lab.com/docs/materials/05_Shapovalov_RGK_CKA.pdf |url-status= dead |archive-date= November 3, 2022 |access-date= 15 August 2016

Kernel developers

The table below contains a representative list of developers developing their own kernel or licensing the kernel from a third-party.{{cite web |access-date = April 3, 2012}}

Platforms	Domain	Kernel	Application	Developed by	Country
Windows	CAD, AEC	Open CASCADE	4MCAD IntelliCAD	4M S.A.	Greece
Windows	MCAD	ACIS / KCM	KeyCreator	Kubotek Kosmos	United States
Windows	MCAD	C3D	KOMPAS-3D	ASCON Group	Russia
Windows	AEC	C3D	KOMPAS-Builder	ASCON Group	Russia
Windows	CAD	C3D + K3 kernel	K3-Furniture	Center GeoS	Russia
Windows	AEC	C3D	Renga Architecture{{cite web	title = Renga Architecture	publisher = ASCON Group
iPad, Windows	MCAD	Parasolid	Shapr3D	Shapr3D zrt.	Hungary
Android	MCAD	C3D	KOMPAS:24	ASCON Group	Russia
Windows	CAD	C3D Modeler for Teigha Platform / ACIS	nanoCAD Plus	NanoSoft	Russia
Windows	MCAD	Parasolid	T-FLEX	Top Systems	Russia
Windows	MCAD	APM Engine	APM Studio	APM	Russia
Windows	CAM	C3D	TECHTRAN	NIP-Informatic	Russia
Windows	CAD	C3D	PASSAT	NTP Truboprovod	Russia
Windows, Mac	CAD, CAM	Own Kernel	Rhinoceros 3D	Robert McNeel and Associates	United States
Windows	CAD	C3D	ESPRIT Extra CAD	LO CNITI, Rubius	Russia
Windows	CAD	C3D	BAZIS System	BAZIS Center	Russia
Windows	CAE	Parasolid	Adams	MSC Software	United States
Windows	CAD, CAM, CAPP	switch from ACIS to C3D{{cite web	url=https://www.c3dlabs.com/ru/blog/customer-stories/geometricheskoe-yadro-c3d-stanet-chastyu-rossiyskoy-cam-sistemy-adem/	title=Геометрическое ядро C3D станет частью российской CAM-системы ADEM	publisher=c3dlabs.com
Windows	CAE	Parasolid	ADINA Modeler	ADINA R&D Inc.	United States
Windows	CAD, AEC, GIS	ShapeManager	AutoCAD	Autodesk	United States
Windows	MCAD	ShapeManager	Inventor	Autodesk	United States
Windows, Mac	Solid Modeler & Machiner	ShapeManager	Autodesk Fusion	Autodesk	United States
Windows, Linux, Mac	MCAD, AEC	ACIS	BricsCAD	Bricsys	Belgium
Windows, Mac	CAD, CAM, CAE	Parasolid	Siemens NX	Siemens Digital Industries Software	United States, Germany
Windows	MCAD	Parasolid	SolidFace	SolidFace	United States, Brazil
Windows	MCAD	Parasolid (previous versions used ACIS)	Solid Edge	Siemens Digital Industries Software	United States, Germany
Windows	MCAD	Parasolid	SolidWorks	Dassault Systèmes	United States, France
Windows	AEC	Parasolid (previous versions used ACIS)	MicroStation	Bentley Systems	United States
Windows, Unix	CAD, CAM, CAE, AEC	Convergence Geometric Modeler	CATIA	Dassault Systèmes	France
Windows	Solid Modeler	url=http://support.ptc.com/products/granite/gplugs	title = Creo GRANITE Interoperability Kernel}}	Creo Elements	Parametric Technology Corporation	United States
Windows	CAD	GRANITE	Creo Parametric	Parametric Technology Corporation	United States
SaaS	Solid Modeler	Parasolid, FeatureScript	Onshape	Onshape	United States
Windows, SaaS	Solid Modeler	Parasolid & ACIS	IRONCAD	IRONCAD	United States
Windows	CAD	ACIS	GstarCAD	Suzhou Gstarsoft Co., Ltd	China
Windows, Mac	AEC, BIM	Own Kernel	ArchiCAD	Graphisoft	Hungary
Windows, Linux, Mac	MCAD, AEC	ACIS	ZW3D	ZWSoft	China
Windows	MCAD	ACIS	Cimatron	3D Systems (Cimatron Ltd.)	Israel
Windows	MCAD	url=http://www.spaceclaim.com/en/Support/FAQ/General_FAQ.aspx?fss=General%20Questions#652	title = SpaceClaim General FAQ}}	SpaceClaim	ANSYS Inc	United States
Windows	MCAD	European Solid Modeller ESM	HiCAD	ISD Group	German
Mac, Windows	MCAD	ACIS	Cobalt, Xenon, Argon	Ashlar	United States
Windows, Linux	CAD Optimization	Own Kernel	CAESES	Friendship Systems	Germany
Windows, macOS, Linux,	CAD, CAM, BIM	Open Cascade, Coin3D,	FreeCAD	FreeCAD
Windows, macOS, Linux, iOS, Android	CAD, AEC, BIM	Geometry Kernel	IFCEngine, STEPEngine	RDF	Bulgaria
Windows	CAD, AEC	Overdrive	ZW3D, ZWCAD	ZWSoft	China
Windows	CAD, Reverse Engineering	ACIS	Zeiss Reverse Engineering	ZEISS Industrial Metrology	Germany
Windows, macOS, Linux	MCAD	Parasolid	Plasticity	Plastic Software, LLC	United States

References

[http://smlib.com/ SMLib]
Yares, Evan. "Spatial, ACIS, CGM, and the future of geometric modelers". 3D CAD World.
"Autodesk - Produktivität, Performance und Präzision: Neue Version der Autodesk Inventor-Familie".
Levin, David. "Geometric Kernels and Irremovability of Presidents from Office". LEDAS Ltd..
Yares, Evan. (April 2013). "Russian CAD". WTWH Media, LLC.
"Geometros Solid Geometry Engine for C++, C#, Objective-C, Java - sgCore".
"The IRIT modeling environment - Home Page".
"GTS - The GNU Triangulated Surface Library".
(2013-05-24). "Russian 3D-kernel RGK: Functionality, Advantages, and Integration".
(2013-06-06). "Does the CAD world need another geometry kernel?".
"Creo GRANITE Interoperability Kernel".
"How Does Onshape Really Work?".
"SpaceClaim General FAQ".
"Software für 2D-/3D-CAD und PDM | HiCAD und HELiOS".
"CAESES Software › CAESES".

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