曲線¶ 介紹 Tools Toolbar Types Structure Splines Spline Types Primitives Bézier Curve Bézier Circle NURBS Curve NURBS Circle Path Selecting Select Menu All 無 Invert Box Select Circle Select Lasso Select Select Random Checker Deselect Select More/Less Select Linked Select Similar (De)select First/Last Select Next/Previous Pick Shortest Path Editing Transform Panel Curve Control Points 段 Other 屬性 Shape Geometry Path Animation Active Spline Curve Display