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This tutorial will demonstrate how to use a spline cage to help model an organic creature out of polygons and/or subdivision surfaces in MAYA. A spline cage is a representation of a 3d surface made out of splines, or curves. Modeling with a spline cage is useful for several reasons: It makes modeling quicker and easier by giving you a template to form the pollies around, It helps make a more accurate model by serving as an intermediate step between 2d drawing and 3d modeling, It forces good topology because the NURBS circles used to make the spline cage follow the flow of good poly edge loops, It makes revisions of the model easier because NURBS curves have far fewer points that even the lightest poly meshes. The next step is to trace the features of the orthographic drawings using NURBS curves. Create NURBS curves by navigating create?>cv curve tool. Your best bet at this stage is to start with a very rough level of detail (silhouette and major features first). That way you can make adjustments to the rough shapes in 3d without having to go back and redo stuff. Once the elements are traced, position them in 3d by moving the CVs in place. You can very quickly start to see that the 3d model is going to look like, which is pretty sweet. At this point, you should tweak the curves to make them look good in 3d. Track around your model and make sure the silhouette reads well and the proportions look good. Feel free to get away from the way the orthos were shaped to make it look good. From this point on, the orthos will pretty much only
be used for reference.
Tags : nurbs curves, orthographic drawings, curve tool, organic creature, subdivision surfaces, orthos, best bet, accurate model, 3d surface, intermediate step, pollies, major features, splines, 3d model, level of detail
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