Andrea Tagliavini

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e3311" altimg="si216.svg"><mml:msup><mml:mrow><mml:mi>η</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn><mml:mi>D</mml:mi></mml:mrow></mml:msup></mml:math>-splines for the generation of 3D Cartesian paths with third order geometric continuity