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3D modeling

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379: 881:. Often, the artists' goal is to get additional value out of assets they have previously created for projects. By doing so, artists can earn more money out of their old content and companies can save money by buying pre-made models instead of paying an employee to create one from scratch. These marketplaces typically split the sale between themselves and the artist that created the asset, artists get 40% to 95% of the sales according to the marketplace. In most cases, the artist retains ownership of the 3d model while the customer only buys the right to use and present the model. Some artists sell their products directly in its own stores offering their products at a lower price by not using intermediaries. 925: 785: 360: 605: 425: 2212: 416: before computers could render them in real-time. The designer can then see the model in various directions and views, this can help the designer see if the object is created as intended to compared to their original vision. Seeing the design this way can help the designer or company figure out changes or improvements needed to the product. 51: 371: 911:
The term 3D printing or three-dimensional printing is a form of additive manufacturing technology where a three-dimensional object is created from successive layers material. Objects can be created without the need for complex expensive molds or assembly with multiple parts. 3D printing allows ideas
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software such as Marvelous Designer, CLO3D and Optitex, has enabled artists and fashion designers to model dynamic 3D clothing on the computer. Dynamic 3D clothing is used for virtual fashion catalogs, as well as for dressing 3D characters for video games, 3D animation movies, for digital doubles in
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The architecture, engineering and construction (AEC) industry is the biggest market for 3D modeling, with an estimated value of $ 12.13 billion by 2028. This is due to the increasing adoption of 3D modeling in the AEC industry, which helps to improve design accuracy, reduce errors and omissions and
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in 3D models is becoming increasingly important in the AEC industry. LOD is a measure of the level of detail and accuracy included in a 3D model. The LOD levels range from 100 to 500, with LOD 100 representing a conceptual model that shows the basic massing and location of objects, and LOD 500
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Disadvantages compare to 2D photorealistic rendering may include a software learning curve and difficulty achieving certain photorealistic effects. Some photorealistic effects may be achieved with special rendering filters included in the 3D modeling software. For the best of both worlds, some
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to maintain a smooth surface and allow finer details. These methods allow for artistic exploration as the model has new topology created over it once the models form and possibly details have been sculpted. The new mesh usually has the original high resolution mesh information transferred into
525:(the surface described by each triangle is planar, so the projection is always convex). Polygon representations are not used in all rendering techniques, and in these cases the tessellation step is not included in the transition from abstract representation to rendered scene. 753:, applicable to additive or subtractive manufacturing machinery. G-code (computer numerical control) works with automated technology to form a real-world rendition of 3D models. This code is a specific set of instructions to carry out steps of a product's manufacturing. 860:
A large market for 3D models (as well as 3D-related content, such as textures, scripts, etc.) exists—either for individual models or large collections. Several online marketplaces for 3D content allow individual artists to sell content that they have created, including
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Solid and shell modeling can create functionally identical objects. Differences between them are mostly variations in the way they are created and edited and conventions of use in various fields and differences in types of approximations between the model and reality.
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web site. The human virtual models were created by the company My Virtual Mode Inc. and enabled users to create a model of themselves and try on 3D clothing. There are several modern programs that allow for the creation of virtual human models
556:– Surfaces are defined by curves, which are influenced by weighted control points. The curve follows (but does not necessarily interpolate) the points. Increasing the weight for a point pulls the curve closer to that point. Curve types include 550:. The vast majority of 3D models today are built as textured polygonal models, because they are flexible, because computers can render them so quickly. However, polygons are planar and can only approximate curved surfaces using many polygons. 1591:
Latif Kamran, Adam, Anbia, Yusof Yusri, Kadir Aini, Zuhra Abdul.(2021)"A review of G code, STEP, STEP-NC, and open architecture control technologies based embedded CNC systems".The International Journal of Advanced Manufacturing Technology.
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There are a variety of 3D modeling programs that can be used in the industries of engineering, interior design, film and others. Each 3D modeling software has specific capabilities and can be utilized to fulfill demands for the industry.
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3D models can be purchased from online marketplaces and printed by individuals or companies using commercially available 3D printers, enabling the home-production of objects such as spare parts and even medical equipment.
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are a combination of models sharing sites, with or without a built in e-com capability. Some of those platforms also offer 3D printing services on demand, software for model rendering and dynamic viewing of items.
699:, netfabb or MeshMixer. Photogrammetry creates models using algorithms to interpret the shape and texture of real-world objects and environments based on photographs taken from many angles of the subject. 460:– These models represent the surface, i.e., the boundary of the object, not its volume (like an infinitesimally thin eggshell). Almost all visual models used in games and film are shell models. 1096:
by features such as geometry, dimensions, material, texture, diffuse reflection, transmission spectra, transparency, reflectivity, opalescence, glazes, varnishes and enamels (as opposed to
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Yu, D.; Hunter, J. (2014). "X3D Fragment Identifiers—Extending the Open Annotation Model to Support Semantic Annotation of 3D Cultural Heritage Objects over the Web".
233: 1605: 587:, has similar capabilities as displacement but does not suffer from polygon stretching when there are not enough polygons in a region to achieve a deformation. 281:
using a collection of points in 3D space, connected by various geometric entities such as triangles, lines, curved surfaces, etc. Being a collection of data (
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A wide number of 3D software are also used in constructing digital representation of mechanical models or parts before they are actually manufactured. Using
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In video game development, 3D modeling is one stage in a longer development process. The source of the geometry for the shape of an object can be:
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3D models may be created automatically or manually. The manual modeling process of preparing geometric data for 3D computer graphics is similar to
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The modeling stage consists of shaping individual objects that are later used in the scene. There are a number of modeling techniques, including:
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devices that form 2D layers of the model with three-dimensional material, one layer at a time. Without a 3D model, a 3D print is not possible.
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of a polygon control mesh) and stores new locations for the vertex positions through use of an image map that stores the adjusted locations.
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The medical industry uses detailed models of organs; these may be created with multiple two-dimensional image slices from an
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Over the last several years numerous marketplaces specializing in 3D rendering and printing models have emerged. Some of the
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Synthetic Landscapes: Proceedings of the 25th Annual Conference of the Association for Computer-Aided Design in Architecture
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The engineering community utilizes them as designs of new devices, vehicles and structures as well as a host of other uses.
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The product is called a 3D model, while someone who works with 3D models may be referred to as a 3D artist or a 3D modeler.
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The architecture industry uses 3D models to demonstrate proposed buildings and landscapes in lieu of traditional, physical
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can more effectively communicate design intent and make more informed decisions throughout the construction process.
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effects are often achieved without wire-frame modeling and are sometimes indistinguishable in the final form. Some
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representing an extremely detailed model that includes information about every aspect of the building, including
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artists use a combination of 3D modeling followed by editing the 2D computer-rendered images from the 3D model.
1962: 814: 1109: 503:. This step is used in polygon-based rendering, where objects are broken down from abstract representations (" 370: 1631: 2241: 1988:
Magnani, Matthew; Douglass, Matthew; Schroder, Whittaker; Reeves, Jonathan; Braun, David R. (October 2020).
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automatic calculation and rendering photorealistic effects rather than mentally visualizing or estimating;
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software used to produce 3D models. Individual programs of this class are called modeling applications.
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The first widely available commercial application of human virtual models appeared in 1998 on the
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are a useful representation for deforming surfaces which undergo many topological changes such as
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Mathematical data stored in memory based on a numerical description or calculation of the object.
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The process of transforming representations of objects, such as the middle point coordinate of a
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less chance of human error in misplacing, overdoing, or forgetting to include a visual effect.
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This article is about computer modeling within an artistic medium. For scientific usage, see
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Modeling can be performed by means of a dedicated program (e.g., 3D modeling software by
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Sikos, L. F. (2016). "Rich Semantics for Interactive 3D Models of Cultural Artifacts".
2118: 1463: 1438:"Facebook and Matterport collaborate on realistic virtual training environments for AI" 1274: 1239: 1194: 1006: 680: 676: 597: 436:(1975). The Utah teapot is one of the most common models used in 3D graphics education. 192: 116: 106: 2037:"After the Revolution: A Review of 3D Modelling as a Tool for Stone Artefact Analysis" 1051:
An existing object, reverse engineered or copied using a 3D shape digitizer or scanner
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A 3D model can also be displayed as a two-dimensional image through a process called
278: 1494: 1389: 1314: 966:. The movie industry uses them as characters and objects for animated and real-life 517:, which are nets of interconnected triangles. Meshes of triangles (instead of e.g., 424: 1249: 1244: 1085: 1062:-related software, the operator can test the functionality of assemblies of parts. 952: 702:
Complex materials such as blowing sand, clouds, and liquid sprays are modeled with
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Today, 3D modeling is used in various industries like film, animation and gaming,
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ability to change angles or animate images with quicker rendering of the changes;
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models are generated from 2D pictures taken at the Fantasitron 3D photo booth at
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community has started to construct 3D geological models as a standard practice.
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to be prototyped and tested without having to go through a production process.
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brands, as well as for making clothes for avatars in virtual worlds such as
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Tredinnick, Ross; Anderson, Lee; Ries, Brian; Interrante, Victoria (2006).
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Advantages of wireframe 3D modeling over exclusively 2D methods include:
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A 3D fantasy fish composed of organic surfaces generated using LAI4D.
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but their history predates the widespread use of 3D graphics on 
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Automated fabrication : improving productivity in manufacturing
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3D models can be the basis for physical devices that are built with
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sector uses them as highly detailed models of chemical compounds.
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includes filters that can be applied to 2D vector graphics or 2D
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A designer, industrial engineer or artist using a 3D-CAD system
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is the process of developing a mathematical coordinate-based
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and other information), 3D models can be created manually,
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Moreno, Cristina; Olbina, Svetlana; Issa, Raja R. (2019).
1864:"What is 3D Modeling and Design? A Beginners Guide to 3D" 1632:"3D Clothes made for The Hobbit using Marvelous Designer" 440:
Almost all 3D models can be divided into two categories:
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The archaeology community is now creating 3D models of
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facilitate collaboration among project stakeholders.
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3D models can also be created using the technique of
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into a polygon representation of a sphere, is called
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International Journal of Heritage in the Digital Era
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Dynamic 3D clothing model made in Marvelous Designer
412: used pre-rendered images of 3D models as  1963:"Level of Detail (LOD): Understand and Utilization" 533:There are three popular ways to represent a model: 521:) are popular as they have proven to be easy to 2041:Journal of Computer Applications in Archaeology 1315:"What is 3D Modeling & What's It Used For?" 749:Many programs include export options to form a 393:3D models are now widely used anywhere in  337:. The 3D model can be physically created using 571:– There are three types of digital sculpting: 1915:. London: Springer-Verlag. pp. 396–400. 480:) are by far the most common representation. 297:. Their surfaces may be further defined with 227: 8: 1789:"What is 3D Printing? The definitive guide" 546:, are connected by line segments to form a 1594:https://doi.org/10.1007/s00170-021-06741-z 277:Three-dimensional (3D) models represent a 234: 220: 49: 36: 2062: 2052: 1732: 1722: 1478: 1913:The History of Visual Magic in Computers 1680:"Building Information Modeling Overview" 1654:"3D Mapping and Modelling Market Worth" 1306: 144: 88: 57: 39: 1104:virtual museums and exhibitions using 258:of an object (inanimate or living) in 1943:from the original on 30 December 2022 1748: 1746: 1744: 1092:, which is suitable for indexing and 1001:and interior finishes. By using LOD, 266:by manipulating edges, vertices, and 7: 1065:3D modeling is used in the field of 1344:Siemens Digital Industries Software 2035:Wyatt-Spratt, Simon (2022-11-04). 1180:Additive manufacturing file format 27:Form of computer-aided engineering 25: 2151:Springer International Publishing 1969:from the original on 18 July 2022 1098:unstructured textual descriptions 2210: 1660:from the original on 18 Nov 2022 1145:List of file formats#3D graphics 1020:for research and visualization. 679:with dedicated programs such as 2146:Metadata and Semantics Research 1686:from the original on 7 Dec 2022 797:movies, as a creation tool for 560:(NURBS), splines, patches, and 930:forensic facial reconstruction 428:A modern render of the iconic 1: 1711:Advances in Civil Engineering 1480:10.52842/conf.acadia.2006.328 1185:Building information modeling 1155:3D computer graphics software 1140:List of common 3D test models 1076:The OWL 2 translation of the 940:by the Brazilian 3D designer 542:– Points in 3D space, called 363:Three-dimensional model of a 2159:10.1007/978-3-319-49157-8_14 2119:"3D Modeling for Businesses" 1862:Rector, Emily (2019-09-17). 1656:(Press release). June 2022. 1473:. ACADIA. pp. 328–341. 1388:Slick, Justin (2020-09-24). 1135:List of 3D modeling software 736:List of 3D modeling software 558:nonuniform rational B-spline 374:Rotating 3D video-game model 1520:"The Future of 3D Modeling" 1117: 1089: 992:. Additionally, the use of 697:GigaMesh Software Framework 617:Constructive solid geometry 449:constructive solid geometry 256:representation of a surface 153:Computer-generated imagery 2268: 2252:Computer-aided engineering 900: 809:Comparison with 2D methods 760: 733: 600:data if for a game engine. 308: 29: 2196:10.1260/2047-4970.3.3.579 1608:. CGElves. Archived from 1200:Computer facial animation 1110:Google Arts & Culture 1753:Burns, Marshall (1993). 976:computer and video games 974:uses them as assets for 890:3D printing marketplaces 476:(and to a lesser extent 2095:"3D Models for Clients" 1084:can be used to provide 825:on transparent layers. 706:, and are a mass of 3D 408:In the past, many  326:of physical phenomena. 1390:"What Is 3D Modeling?" 1260:Ray tracing (graphics) 1235:Industrial CT scanning 1094:retrieval of 3D models 1026:In recent decades the 944: 845:Accurate photorealism, 789: 609: 437: 390: 375: 367: 137:Virtual cinematography 41:Three-dimensional (3D) 18:Model (computer games) 2219:at Wikimedia Commons 1911:Peddie, John (2013). 1549:Brighthub Engineering 1495:"ERIS Project Starts" 1086:semantic descriptions 994:Level of Detail (LOD) 927: 787: 607: 596:displacement data or 468:Shell models must be 427: 381: 373: 362: 102:Computer-aided design 2232:3D computer graphics 2153:. pp. 169–180. 1724:10.1155/2019/1392684 1573:Anatomy of an MMORPG 1112:, for example). The 1071:stage and set design 990:architectural models 819:graphic art software 776:being one example). 730:3D modeling software 627:Subdivision surfaces 589:Dynamic tessellation 577:subdivision surfaces 562:geometric primitives 507:") such as spheres, 478:subdivision surfaces 349:3D computer graphics 345:3D modeling software 264:specialized software 248:3D computer graphics 2006:10.1017/aaq.2020.59 1225:Geological modeling 972:video game industry 792:The development of 583:, loosely based on 511:etc., to so-called 495:and a point on its 432:model developed by 324:computer simulation 291:procedural modeling 203:Global illumination 127:Virtual engineering 32:Computer simulation 1994:American Antiquity 1813:"3D Printing Toys" 1578:2009-12-13 at the 1551:. 17 December 2008 1319:Concept Art Empire 1265:Scaling (geometry) 1255:Polygonal modeling 1220:Environment artist 1116:representation of 1106:Google Street View 1011:General contractor 945: 839:Ease of rendering, 790: 726:assigned to them. 710:which have either 610: 539:Polygonal modeling 438: 403:personal computers 391: 376: 368: 311:Environment artist 2247:Video game design 2215:Media related to 2168:978-3-319-49156-1 2125:. 5 November 2020 1937:"Level of Detail" 1922:978-1-4471-4931-6 1612:on 5 January 2016 1582:, August 22, 2008 1067:industrial design 1018:cultural heritage 907:Rapid prototyping 622:Implicit surfaces 568:Digital sculpting 244: 243: 43:computer graphics 16:(Redirected from 2259: 2214: 2200: 2199: 2179: 2173: 2172: 2140: 2134: 2133: 2131: 2130: 2115: 2109: 2108: 2106: 2105: 2091: 2085: 2084: 2066: 2056: 2054:10.5334/jcaa.103 2032: 2026: 2025: 1985: 1979: 1978: 1976: 1974: 1965:. 5 April 2022. 1959: 1953: 1952: 1950: 1948: 1933: 1927: 1926: 1908: 1902: 1901: 1899: 1898: 1884: 1878: 1877: 1875: 1874: 1859: 1853: 1852: 1850: 1848: 1834: 1828: 1827: 1825: 1823: 1817:Business Insider 1809: 1803: 1802: 1800: 1799: 1785: 1779: 1778: 1750: 1739: 1738: 1736: 1726: 1702: 1696: 1695: 1693: 1691: 1676: 1670: 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Index

Model (computer games)
Computer simulation
Three-dimensional (3D)
computer graphics


Modeling
Scanning
Rendering
Printing
3D models
Computer-aided design
Graphic design
Video games
Visual effects
Visualization
Virtual engineering
Virtual reality
Virtual cinematography
Computer-generated imagery (CGI)
Animation
computer
skeletal
3D display
Wire-frame model
Texture mapping
Motion capture
Crowd simulation
Global illumination
Volume rendering
v
t

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