# 底图三圆周点绘弧

This page is a translated version of the page Draft Arc 3Points and the translation is 28% complete.

Outdated translations are marked like this.
Other languages:
Deutsch • ‎English • ‎français • ‎italiano • ‎中文（中国大陆）‎
Previous: Arc
Next: Ellipse

Draft Arc 3Points

Draft → Arc 3 points
Workbenches
Draft, Arch
Default shortcut
A T
Introduced in version
0.19
Draft Arc, Draft Circle, Draft Ellipse

## 描述

Use the Draft Arc tool to create a circular arc by specifying the center, the radius, and the start and end angles. To draw an elliptical arc use Draft Ellipse. You can also approximate a circular arc by using the Draft BSpline, Draft BezCurve, and Draft CubicBezCurve tools.

## 如何使用

1. 按下按钮，或先按A键再按T键。
2. 在3D视图中点击第一个点，或输入一个 坐标并按下按钮。
3. 在3D视图中点击第二个点，或输入一个半径值。
4. 在3D视图中点击第三个点，或输入一个起始角度。

## 选项

• Press X, Y or Z after one point to constrain the following point on the given axis.
• To enter coordinates manually, simply enter the numbers, then press Enter between each X, Y and Z component.
• You can press the button when you have entered the desired values to insert the point.
• Press R or click the checkbox to toggle relative mode. If relative mode is on, the coordinates of the following point are relative to the previous one; if not, they are absolute, taken from the origin (0, 0, 0).
• Hold Shift while drawing to constrain your next point horizontally or vertically in relation to the previous one.
• Press Esc or the Close button to abort the current command.