建筑模块
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In v1.0 the BIM, Native-IFC and Arch Workbenches have been merged into the integrated BIM Workbench.
简介
The Arch Workbench provides a modern Building Information Modelling (BIM) workflow to FreeCAD, with support for features like fully parametric architectural entities such as walls, beams, roofs, windows, stairs, pipes, and furniture. It supports Industry Foundation Classes (IFC) files, and production of 2D floor plans in combination with the 
TechDraw Workbench.
由于建筑工作台要利用2D对象来构建其建筑对象，因此，它导入了底图工作台（Draft Workbench）中的所有工具。除此以外，建筑工作台亦可使用如零件工具台（Part）与零件设计工作台（PartDesign）所创建的对象。
FreeCAD中的BIM功能正逐步拆分至此建筑工作台中，它持有基本的建筑体工具与BIM Workbench，后者可以利用Addon Manager进行安装。本工作台在建筑工具（Arch tools）之上添加了一个新的接口层，目标是令FreeCAD中的BIM工作流程更为直观且更易于使用。
The developers of Draft, Arch, and BIM also collaborate with the greater OSArch community, with the ultimate goal of improving building design by using entirely free software.
工具
以下这些工具用于创建建筑对象。
Wall: Creates a wall from scratch or using a selected object as a base.
Structure: Creates a structural element from scratch or using a selected object as a base.
Rebar tools: These tools, except the last, are only available if the Reinforcement Workbench has been installed.
Straight Rebar: Creates a straight reinforcement bar in a selected structural element.
U-Shape Rebar: Creates a U-shape reinforcement bar in a selected structural element.
L-Shape Rebar: Creates an L-shape reinforcement bar in a selected structural element.
Stirrup: Creates a stirrup reinforcement bar in a selected structural element.
Bent-Shape Rebar: Creates a bent-shape reinforcement bar in a selected structural element.
Helical Rebar: Creates a helical reinforcement bar in a selected structural element.
Column Reinforcement: Creates reinforcement bars in a selected column.
Beam Reinforcement: Creates reinforcement bars in a selected beam.
Slab Reinforcement: Creates reinforcement bars in a selected slab.
Footing Reinforcement: Creates reinforcement bars in a selected footing.
Custom Rebar: Creates a custom reinforcement bar in a selected structural element using a sketch.
Curtain Wall: Creates a curtain wall from scratch or using a selected object as a base.
Building Part: Creates a building part including selected objects.
Project: Creates a project including selected objects.
Site: Creates a site including selected objects.
Building: Creates a building including selected objects.
Level: Creates a floor including selected objects.
External reference: Links objects from another FreeCAD file into the current document.
Window: Creates a window from scratch or using a selected object as a base.
Roof: Creates a sloped roof from a selected wire.
Axis: Adds a 1-direction array of axes.
Axis System: Adds an axis system composed of several axes.
Grid: Adds a grid-like object.
Section Plane: Adds a section plane object.
Space: Creates a space object.
Stairs: Creates a stairs object.
Panel: Creates a panel object from a selected 2D object.
Panel Cut: Creates a 2D cut view from a panel.
Panel Sheet: Creates a 2D cut sheet including panel cuts or other 2D objects.
Nest: Allows to nest several flat objects inside a container shape.
Equipment: Creates an equipment or furniture object.
Frame: Creates a frame object from a selected layout.
Fence: Creates a fence object from a selected post and path.
Truss: Creates a truss from a selected line or from scratch.
Profile: Creates a parametric 2D profile.
Material: Creates a material and attributes it to selected objects, if any.
Multi-Material: Creates a multi-material and attributes it to selected objects, if any.
Schedule: Creates different types of schedules.
Pipe: Creates a pipe.
Connector: Creates a corner or T-connection between 2 or 3 selected pipes.
修改工具
以下这些工具用于修改建筑对象。
Cut with plane: Cuts an object according to a plane.
Cut with line: Cuts an object according to a line.
Add component: Adds objects to a component.
Remove component: Subtracts or removes objects from a component.
Survey: Enters or leaves surveying mode.
实用工具
以下这些工具可助您实现一些特定任务。
Component: Creates a non-parametric Arch component.
Clone component: Produces Arch Components that are clones of selected Arch objects (not to be confused with Draft Clone).
Split Mesh: Splits a selected mesh into separate components.
Mesh to Shape: Converts a mesh into a shape, unifying coplanar faces.
Select non-manifold meshes: Selects all non-manifold meshes from the current selection or from the document.
Remove Shape from Arch: Turns cubic shape-based Arch object fully parametric.
Close holes: Closes holes in a selected shape-based object.
Merge Walls: Merge two or more walls.
Check: Check if the selected objects are solids and don't contain defects.
Toggle IFC Brep flag: Forces a selected object to be exported as an IfcFacetedBrep.
3 Views from mesh: Creates top, front and side views from a mesh.
Create IFC spreadsheet...: Creates a spreadsheet to store IFC properties of an object.
Toggle subcomponents: Shows or hides the subcomponents of an Arch object.
首选项
建筑工作台首选项（Preferences）: 针对墙体、构件、钢筋、窗口、台阶、面板、管道、网格与坐标轴默认外观的设置首选项。
文件格式
API
在Python脚本与宏（macros）中调用Arch Python API函数即可使用本建筑模块。
教程
- Migrating to FreeCAD from Revit
- Architecture workflow: An example of how FreeCAD can begin to have its preliminary place in an architecture workflow.
- Arch tutorial (v0.14)
- Quick arch overview on Yorik's blog (v0.13)
- Video presentation of the Arch workbench (2016)
- Arch panel tutorial (v0.15)
- BIM modeling chapter from the FreeCAD manual
- Import from STL or OBJ
- Export to STL or OBJ
Arch
- Elements: Wall, Structure, Curtain Wall, Window, Roof, Space, Stairs, Equipment, Frame, Fence, Truss, Profile, Pipe, Pipe Connector
- Reinforcements: Straight Rebar, U-Shape Rebar, L-Shape Rebar, Stirrup, Bent-Shape Rebar, Helical Rebar, Column Reinforcement, Beam Reinforcement, Slab Reinforcement, Footing Reinforcement, Custom Rebar
- Panels: Panel, Panel Cut, Panel Sheet, Nest
- Materials: Material, Multi-Material
- Organization: Building Part, Project, Site, Building, Level, External reference, Section Plane, Schedule
- Axes: Axis, Axes system, Grid
- Modification: Cut with plane, Add component, Remove component, Survey
- Utilities: Component, Clone component, Split Mesh, Mesh to Shape, Select non-manifold meshes, Remove Shape from Arch, Close Holes, Merge Walls, Check, Toggle IFC Brep flag, 3 Views from mesh, Create IFC spreadsheet, Toggle Subcomponents
- Additional: Preferences, Import Export Preferences (IFC, DAE, OBJ, JSON, 3DS, SHP), IfcOpenShell, IfcPlusPlus, Arch API
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Assembly, BIM, CAM, Draft, FEM, Inspection, Material, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub