幸运的是，有了HTML和CSS的最新进展，如今轻而易举便可以创建各类形状的轮廓线。

Fortunately, with the latest developments in HTML and CSS, it's now slightly easier to create a wider variety of shape contours.

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路径挤压’技术是一个非常强大的建模工具。它通过由给定的轮廓线沿着指定的路径伸展，就能创建一个面。

The "Extrude along path" technique is a very powerful modelling tool. It consists of creating a surface by sweeping a given profile along a given path.

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