# 出框微調整 Overshoot

字體設計前通常都會定義基本框線，例如歐文字型設計中的基線（baseline）、 x 字高（x-height）等，或中文字型設計的字面框；但設計的字形大小，並非全然依據框架即能準確的設計，會依據字本身的造形輪廓進行視覺微調整，例如弧型需比水平的造型突出，可讓視覺的高度感受較為一致。

![A、V、U 出框微調整](/files/-LuIPRogryuuMlAkShFq)

![C字母出框微調整](/files/-LuIOpnV-FAszjJEuMm0)

#### 關鍵字：[#字身與字面 ](/pocketbook/chinese-typeface/anatomy/body.md)[#歐文字體結構](/pocketbook/latin-typeface/anatomy/structure.md)

**延伸閱讀：**

[\[but\] 字型設計自己來─中文字型設計的第一課](https://blog.justfont.com/2012/12/hanzi-type-design-1/?utm_source=gitbook\&utm_medium=overshoot\&utm_campaign=hanzi-type-design-1\&utm_id=0715)

[字戀小聚 #85｜所有設計師都該知道的錯視調整法——《歐文字體設計方法》讀書會](https://www.youtube.com/watch?v=WmQpr8tH09Q)\ <br>


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