X3D for Web Authors, Chapter 14 - Prototypes
![[1] ArtDecoExamplesExcerpt.x3d - Front view](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Front view.png)
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Authors can create prototype declarations and instances to define new X3D nodes. Prototypes are built using ProtoDeclare or ExternProtoDeclare definitions with ProtoInstance nodes.
The supporting Chapter 14 slideset and course videos are available online via X3dGraphics.com.
![[2] ArtDecoExamplesExcerpt.x3d - Low Right](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Low Right.png){kind=link}
![[3] ArtDecoExamplesExcerpt.x3d - Low Left](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Low Left.png){kind=link}
![[4] ArtDecoExamplesExcerpt.x3d - Back view](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Back view.png){kind=link}
![[5] ArtDecoExamplesExcerpt.x3d - Close Front](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Close Front.png){kind=link}
![[6] ArtDecoExamplesExcerpt.x3d - ArtDeco00](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_ArtDeco00.png){kind=link}
![[7] ArtDecoExamplesExcerpt.x3d - ArtDeco01](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_ArtDeco01.png){kind=link}
![[8] ArtDecoExamplesExcerpt.x3d - ArtDeco02](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_ArtDeco02.png){kind=link}
![[9] ArtDecoExamplesExcerpt.x3d - (default X3D view from 0 0 10)](_viewpoints/ArtDecoExamplesExcerpt.x3d._VP_Default viewpoint.png){kind=link}
![[10] ArtDecoPrototypesExcerpt.x3d - (default X3D view from 0 0 10)](_viewpoints/ArtDecoPrototypesExcerpt.x3d._VP_Default viewpoint.png){kind=link}
![[11] HeadsUpDisplayExample.x3d - Heads-up display (HUD)](_viewpoints/HeadsUpDisplayExample.x3d._VP_Heads-up display (HUD).png){kind=link}
![[12] HeadsUpDisplayExample.x3d - (default X3D view from 0 0 10)](_viewpoints/HeadsUpDisplayExample.x3d._VP_Default viewpoint.png){kind=link}
![[13] HeadsUpDisplayPrototype.x3d - Heads-up display (HUD)](_viewpoints/HeadsUpDisplayPrototype.x3d._VP_Heads-up display (HUD).png){kind=link}
![[14] HeadsUpDisplayPrototype.x3d - (default X3D view from 0 0 10)](_viewpoints/HeadsUpDisplayPrototype.x3d._VP_Default viewpoint.png){kind=link}
![[15] HudKelpForest.x3d - (default X3D view from 0 0 10)](_viewpoints/HudKelpForest.x3d._VP_Default viewpoint.png){kind=link}
![[16] MaterialModulator.x3d - (default X3D view from 0 0 10)](_viewpoints/MaterialModulator.x3d._VP_Default viewpoint.png){kind=link}
![[17] TextStringPrototype.x3d - (default X3D view from 0 0 10)](_viewpoints/TextStringPrototype.x3d._VP_Default viewpoint.png){kind=link}
![[18] ViewFrustumExample.x3d - ViewFrustum from above, looking down](_viewpoints/ViewFrustumExample.x3d._VP_ViewFrustum from above, looking down.png){kind=link}
![[19] ViewFrustumExample.x3d - ViewFrustum from point of view](_viewpoints/ViewFrustumExample.x3d._VP_ViewFrustum from point of view.png){kind=link}
![[20] ViewFrustumExample.x3d - ViewFrustum behind point of view](_viewpoints/ViewFrustumExample.x3d._VP_ViewFrustum behind point of view.png){kind=link}
![[21] ViewFrustumExample.x3d - ViewFrustum oblique side view](_viewpoints/ViewFrustumExample.x3d._VP_ViewFrustum oblique side view.png){kind=link}
![[22] ViewFrustumExample.x3d - ViewFrustum ViewpointNode](_viewpoints/ViewFrustumExample.x3d._VP_ViewFrustum ViewpointNode.png){kind=link}
![[23] ViewFrustumExample.x3d - (default X3D view from 0 0 10)](_viewpoints/ViewFrustumExample.x3d._VP_Default viewpoint.png){kind=link}
![[24] ViewFrustumPrototype.x3d - (default X3D view from 0 0 10)](_viewpoints/ViewFrustumPrototype.x3d._VP_Default viewpoint.png){kind=link}
![[25] WhereAmIPrototype.x3d - WhereAmI prototype test](_viewpoints/WhereAmIPrototype.x3d._VP_WhereAmI prototype test.png){kind=link}
![[26] WhereAmIPrototype.x3d - (default X3D view from 0 0 10)](_viewpoints/WhereAmIPrototype.x3d._VP_Default viewpoint.png){kind=link}