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Revision as of 21:04, 12 October 2019

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TechDraw Dimension Vertical Extent.svg TechDraw Dimension Vertical Extent

Menu location
TechDraw → Dimension Vertical Extent
Default shortcut
Introduced in version
See also
TechDraw Dimension Length, TechDraw Dimension Horizontal Extent


The Dimension Vertical Extent tool adds a linear dimension to a View. The dimension extends from the bottom most point on the selected objects to the top most point. A CosmeticVertex will be placed at each point.

TechDraw Dimension Horizontal Extent example.png

Vertical Extent dimension of BSpline Face

How to use

  1. Select a View or a collection of Edges in a View.
  2. Press the TechDraw Dimension VExtent.svg Dimension Vertical Extent button
  3. A dimension will be added to the View. The dimension may be dragged to the desired position.


Dimension objects are vulnerable to "topological naming" issues. See the information in the TechDraw Dimension Length tool for more information.


This object has the same properties as the TechDraw Dimension Length tool. See that tool for details. Exceptions noted.


  • DataMeasureType: true - based on 3D geometry or "Projected" - based on the drawing. Not normally manipulated directly by the end user. Not yet implemented for Dimension Vertical Extent.


See also: TechDraw API and FreeCAD Scripting Basics.

The Dimension Vertical Extent tool can be used in macros and from the Python console by using the following functions:

selection = [(view1, 'Edge1'), (view1, 'Edge2')]  #or [] for all
hExtentDim = TechDraw.Dimension.makeExtentDim(selection, VERTICAL)
rc = page.addView(hExtentDim)