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Revision as of 22:22, 24 August 2021

This documentation is a work in progress. Please don't mark it as translatable since it will change in the next hours and days.
Draft workbench icon

Introduction

製図ワークベンチを使うと現在のドキュメントにシンプルな2Dオブジェクトを手軽に描くことができます。また描いた後でそれらを変更するためのツールもいくつか用意されています。ツールの一部は製図ワークベンチで作成したものだけでなく他のFreeCADオブジェクト全てに対して使用することができます。また完璧に動作するスナップシステムやオブジェクトと設定を管理するためのいくつかのユーティリティも提供されています。

The created 2D objects can be used for general drafting in a way similar as is done with Inkscape or Autocad. These 2D shapes can also be used as the base components of 3D objects created with other workbenches, for example, the Part and Arch Workbenches. Conversion of Draft objects to Sketches is also possible, which means that the shapes can also be used with the PartDesign Workbench for the creation of solid bodies.

FreeCAD is primarily a 3D modelling application, and thus its 2D tools aren't as advanced as in other drawing programs. If your primary goal is the production of complex 2D drawings and DXF files, and you don't need 3D modelling, you may wish to consider a dedicated software program for technical drafting such as LibreCAD, QCad, or others.

Draft Workbench Example

作図オブジェクト

オブジェクトを作成するためのツールです。

  • 2点線分: 2点からなる線分を描きます
  • ワイヤー(複数の点からなる線分): 複数点の線分で作られる線を描きます
  • : 中心と半径から円を描きます
  • 円弧: 中心、半径、開始角度と終了角度から円弧を描きます
  • Ellipse: Draws an ellipse from two corner points
  • 多角形: 中心、半径、辺数から正多角形を描く
  • 四角形: 2つの対点から四角形を描きます
  • テキスト: 複数行のテキストの注釈を描きます
  • 寸法: 寸法の注釈を描きます
  • B-スプライン: 点列からB-スプラインを描きます
  • : 点オブジェクトを挿入します
  • ShapeString: The ShapeString tool inserts a compound shape representing a text string at a given point in the current document
  • Facebinder: Creates a new object from selected faces on existing objects
  • Bezier Curve: Draws a Bezier curve from a series of points
  • Label: Places a label with an arrow pointing to a selected element introduced in version 0.17

Annotation objects

オブジェクトの変更

既存のオブジェクトを変更するためのツールです。これらのツールは選択したオブジェクトに対して動作します。もしオブジェクトを選択していない場合にはオブジェクトを選択するように促します。

Many operation tools (move, rotate, array, etc.) also work on solid objects (Part, PartDesign, Arch, etc.).

  • Join: joins lines together into a single wire.
  • Split: splits a wire into two at a point.
  • Upgrade: upgrades objects into a higher-level object.
  • Downgrade: downgrades objects into lower-level objects.
  • Shape 2D View: creates a 2D object which is a flattened 2D view of a 3D object.

Draft Tray

The Draft Tray allows selecting the working plane, defining style settings, toggling construction mode, and specifying the active layer or group.

Its tools are also available in the Draft → Utilities menu:

Draft annotation scale widget

With the Draft annotation scale widget the Draft annotation scale can be specified. introduced in version 0.19

Draft snap widget

The Draft snap widget can be used as an alternative for the Draft Snap toolbar. introduced in version 0.19

Draft Snap toolbar

The Draft Snap toolbar allows selecting the active snap options. The buttons belonging to active options stay depressed. For general information about snapping see: Draft Snap.

  • Toggle snap: toggles object snapping globally on or off.
  • Endpoint: snaps to the endpoints of line, arc and spline segments.
  • Midpoint: snaps to the middle point of line and arc segments.
  • Center: snaps to the center point of circles, arcs and faces, WP proxies and Building parts
  • Angle: snaps to the special cardinal points of circles and arcs, at 45° and 90°.
  • Intersection: snaps to the intersection of two line or arc segments. Hover the mouse over the two desired objects to activate their intersection snaps.
  • Perpendicular: on line and arc segments, snaps perpendicularly to the latest point.
  • Extension: snaps on an imaginary line that extends beyond the endpoints of line segments. Hover the mouse over the desired object to activate its extension snap.
  • Parallel: snaps on an imaginary line parallel to a line segment. Hover the mouse over the desired object to activate its parallel snap.
  • Special: snaps on special points defined by the object.
  • Near: snaps to the closest point or edge on the nearest object.
  • Ortho: snaps on imaginary lines that cross the last point, and extend at 0°, 45° and 90°.
  • Grid: snaps to the intersections of the grid lines, if the grid is visible.
  • Working plane: always places the snapped point on the current working plane, even if you snap to a point outside that working plane.
  • Dimensions: shows temporary X and Y dimensions while snapping.
  • Toggle grid: toggles the visibility of the grid on or off.

ユーティリティーツール

Additional tools

右クリックのコンテキストメニューから利用可能な追加ツールです。選択されているオブジェクトに依存して変わります。

追加機能

  • スナッピング: 既存オブジェクトの特定位置に新しい点を配置できます
  • 拘束: 既存の点に対して相対的な水平位置、垂直位置を指定して新しい点を配置できます
  • 座標入力での作業: 画面クリックの代わりに手動で座標を入力できます
  • Working plane: Allows you to define a plane in the 3D space, where next operations will take place

Tree view context menu

The following additional options are available in the Tree view context menu:

Selection options

If there is a selection the context menu contains one additional sub-menu:

  • Utilities: a subset of the tools available in the main Draft Utilities menu.

Wire options

For a Draft Wire, Draft BSpline, Draft CubicBezCurve and Draft BezCurve this additional option is available:

  • Flatten this wire: flattens the wire based on its internal geometry. This option currently does not work properly.

Layer container options

For a Draft LayerContainer these additional options are available:

  • Merge layer duplicates: this option currently does not work.

Layer options

For a Draft Layer these additional options are available:

Working plane proxy options

For a Draft WorkingPlaneProxy these additional options are available:

  • Write objects state: updates the visibility state of objects stored in the working plane proxy.

3D view context menu

The following additional options are available in the 3D view context menu:

No-selection options

If there is no selection the context menu contains one additional sub-menu:

  • Utilities: a subset of the tools available in the main Draft Utilities menu.

Selection options

If there is a selection the context menu contains two additional sub-menus:

Obsolete tools

These commands are obsolete but still available:

These 3D view context menu options are still available when the Draft Wire, Draft BSpline, Draft CubicBezCurve or Draft BezCurve command is active but will be removed in the near future:

環境設定

  • 製図モジュールには専用の環境設定ドラフトワークベンチで利用可能な設定。

ファイル形式

製図モジュールによってFreeCADは以下のファイル形式をインポート、エクスポートできるようになっています。

Install importers

Unit tests

See also: Test Workbench.

To run the unit tests of the workbench execute the following from the operating system terminal.

freecad -t TestDraft

スクリプト処理

製図モジュール機能には完全な製図用APIがあり、スクリプトやマクロからその機能を使用することができます

The workbench includes a module to create samples of all objects in a new document. introduced in version 0.19

Use this to test that all objects are produced correctly.

import drafttests.draft_test_objects as dto
doc = dto.create_test_file()

Inspecting the code of this module is useful to understand how to use the programming interface.

$INSTALLDIR/Mod/Draft/drafttests/draft_test_objects.py

Where $INSTALLDIR is the toplevel directory where the software was installed; for example, in Linux it may be /usr/share/freecad.

Test objects for the Draft Workbench.

Tutorials