Knowledge Base AutoCAD
Drawing Networks
Learn how to draw pipe and duct networks, connect components, generate schemes, and create slots and openings.
Draw pipes and ducts
Learn how to construct pipe and duct networks with the LINEAR Solutions.
Drawing pipes and ducts in 3D - Model planning
Learn how to construct pipe and duct networks in the planning type 3D - Model planning.
Details on Configuring and Inserting 3D Air Ducts
Information on the Pipes command group in the 3D - Model Planning planning type of the Ventilation discipline.
Drawing a 3D Air Duct
Shows step-by-step how to draw a 3D air duct.

New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function and interaction of the LINEAR Solutions programs in AutoCAD and LINEAR Building.
Preparing and Editing Buildings and Architecture
Learn how to prepare drawings provided by an architect to create an architecture for building analysis.
Analyzing Buildings
Get information about the demands analysis of a building with LINEAR Building. The demands analysis includes the calculation of the heat load, the cooling load and the determination of the required air volumes.
Dimensioning Components
Learn how radiators, convectors, panel heating/cooling systems and concrete core activation systems and components of ventilation systems are designed based on the requirement analysis in LINEAR Building.
Create Pipe Run Scheme
Learn how to create pipe run schemes for pipe networks in LINEAR Building.
Calculate Pipe Run Schemes
Learn how to calculate pipe run schemes in LINEAR Building.
Inserting Components
Learn how to transfer radiators or chilled beams to a LINEAR Building connected CAD platform and insert symbols and components from the libraries into CAD.
Drawing Networks
Learn how to draw pipe and duct networks, connect components, generate schemes, and create slots and openings.
- Draw pipes and ducts
  Learn how to construct pipe and duct networks with the LINEAR Solutions.
  - About Drawing Pipes and Ducts in 2D/3D - Floor Planning and 2D Scheme Planning
    Learn how to construct pipe and duct networks in the planning types 2D - Floor Plan and 3D - Floor Plan as well as 2D - Scheme Planning.
  - Drawing pipes and ducts in 3D - Model planning
    Learn how to construct pipe and duct networks in the planning type 3D - Model planning.
    - Details on the Design of 3D Pipelines (3D - Model Planning)
      Information about the Pipes command group on the Create tab in the Planning type 3D - Model planning.
    - Details on Configuring and Inserting 3D Air Ducts
      Information on the Pipes command group in the 3D - Model Planning planning type of the Ventilation discipline.
      - Drawing a 3D Air Duct
        Shows step-by-step how to draw a 3D air duct.
        Details on Ducts
        Information about the component dialogs when drawing air ducts in planning type 3D - Model - Planning - Air Duct Construction.
        Details on flexible ducts
        Information about the component dialogs when drawing air ducts.
        Details on Change of Direction
        Information on the Change Direction dialog when designing air ducts in the planning type 3D - Model planning.
      - Drawing a 3D Air Duct using a Reference Point
        Shows step-by-step how to draw a 3D air duct using a reference point from the drawing and define a distance to the reference point if necessary.
      - Continuing a Pipe or Air Duct
        Shows step-by-step how to continue drawing an existing pipe or air duct.
      - Inserting Components Into Pipe/Duct During Drawing
        Shows step-by-step how to insert components into the course of a pipe or duct during the drawing process and then continue drawing directly on the component.
      - Connecting 3D Pipes/3D Ducts Automatically
        Shows step-by-step how to automatically connect pipes, ducts and also components with pipes, ducts or other components using the Connect automatically < command.
      - Turning in Front of/Behind/On a Wall with a Pipe or Duct
        Shows step-by-step how to make a turn in front of, behind or on a wall or component when drawing pipes or ducts.
      - Creating a Height Jump from the Storey Table
        Shows step-by-step how to perform a height jump with a pipe or air duct.
      - Moving Components
        Shows step-by-step how to move a connected or unconnected component to a different position using the Move component command in the context menu of the component grip.
      - Moving Components
        Shows step-by-step how to move a component to another position using the Move component < command.
      - Rotating Components
        Shows step-by-step how to rotate a component that has already been installed using the Rotate component command.
      - Configuring and Placing a Central Ventilation Unit
        Shows step-by-step how to configure a central ventilation unit and place it in your drawing.
      - Details on Material and Insulation
        Information on the Material and insulation dialog of the Connectors... function on the command group Pipes.
      - Details on 3D Air Duct Flange Profile
        Information on the Flange Profile dialog when designing air ducts in the planning type 3D - Model planning.
      - Details on Socket
        Information on the dialog Socket of the command Install Socket for the planning type 3D - Model Planning.
    - About Electric Cable Trays
      Explains the concept of electrical cable tray construction in the planning type 3D - Model planning of the discipline Electric.
  - Drawing Pipes and Ducts in 2D - Detail Planning
    Learn how to construct pipe and duct networks in the planning type 2D - Detail Planning.
- Connecting components with pipes and ducts
  Learn how to connect components in your drawing with pipes and ducts.
- Design Radiant Heating and Cooling
  Learn how to prepare the design of a Radiant Heating and Cooling system, how to draw and edit a system using the commands of the discipline Radiant Heating and Cooling.
- Construct Roof Drainage
  Explains the concept of functions and commands to construct a roof drainage drainage system in the respective discipline.
- LINEAR BuildingTransferring Schemas to a Connected CAD Program
  Explains the concept of transferring LINEAR Building schemes to a connected CAD program.
- Drawing networks with Scheme generators
  Learn how to use the Scheme generator to build, modify, and draw in schemes with discipline-specific components for the disciplines of heating, potable water, wastewater, and gas.
- Tools and auxiliary function for drawing pipes and duct networks
  Explains the concept of tools and help functions for drawing pipe and duct networks on the Tools tab and in the footer of the LINEAR Control Board.
- Create Slots, Openings and Core Drill Holes
  Learn how to create slots, openings, and core drillings in your drawing in the Slot and opening planning discipline, for example, to guide pipes and ducts through walls and ceilings.
- Insert Fixings
  Information on the command group Components for the discipline Fixing planning
Calculating Networks
Learn how to calculate pipe and duct networks.
Labeling and Dimensioning
Learn how to label components and sections in your drawing and how to dimension your drawing.
Output
Get basic information on creating output with AutoCAD, output in LINEAR Building and on the print mask editor.

Drawing a 3D Air Duct

Shows step-by-step how to draw a 3D air duct.

Before you begin

You want to draw a 3D air duct.

Navigate to:

Project tab ➤ Discipline Ventilation ➤ 3D - Model planning ➤ Create tab ➤ Command group Pipes

Applies to: Ventilation

Procedure

On the Create tab, select a construction height, a reference edge and, if necessary, an offset.
Select the Medium for the air duct, e.g. Exhaust air.
Click Draw duct <.
Click in the drawing area to define the starting point of the duct.

If you have not yet defined any duct material in the current drawing, the Duct dialog opens.
Specify the duct shape by selecting a tab (rectangular, oval or round).
Make all the required settings for the dimensions, Material, Insulation and Connectors on the corresponding tab and, if necessary, change the Reference edge in the construction direction.

Note: To specify the dimensions, you must have previously selected a material for the corresponding duct shape.
Click OK to confirm the specifications.
The dialog closes and you can start drawing.
Use the mouse pointer to show the direction of the duct to be constructed and click to define the next point for the course. Alternatively, you can also use the options in the context menu for creating the ducts.

Note: Bends are drawn automatically when the direction is changed.
End the drawing process by pressing Enter or ESC.

Results

You have drawn a 3D air duct.

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Drawing a 3D Air Duct

Before you begin

Navigate to:

Procedure

Results