<table bgColor="#ffffff" border="0" width="100%"> <tbody> <tr> <td align="left" rowspan="2" cellpadding="10"> <a href="index.html"><img border="0" alt="Fred the Bunny" title="Fred the Bunny" hspace="10" src="FredTheBunny.png" width="62" height="126" align="left"/></a> </td> <td> <p> Non-Uniform Rational B-Spline (NURBS) provide a parametric mathematical model for generating and representing smooth curves and surfaces. </p> <p> <a href="http://en.wikipedia.org/wiki/Nurbs" target="_blank">Non-Uniform Rational B-Spline (NURBS)</a> provide a convenient and efficient manner to generate curved lines and surfaces which can be smooth at any viewing distance. Since these surfaces are generated parametrically, only a small amount of data need be provided for describing complex surfaces. These examples support the <a href="https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/nurbs.html" target="_blank">X3D NURBS component</a>. </p> </td> </tr> <tr> <td> These capabilities hold significant potential value for use by the <a href="https://www.web3d.org/working-groups/computer-aided-design-cad" target="_blank">Computer Aided Design (CAD)</a> and <a href="https://www.web3d.org/working-groups/medx3d" target="_blank">Medical</a> working groups. </td> </tr> </tbody> </table>