PartDesign Субтрактивная призма

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This page is a translated version of the page PartDesign SubtractivePrism and the translation is 7% complete.
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PartDesign SubtractivePrism.svg PartDesign SubtractivePrism

Menu location
Part Design → Create a subtractive primitive → Subtractive Prism
Workbenches
PartDesign
Default shortcut
None
Introduced in version
0.17
See also
PartDesign Create a subtractive primitive, PartDesign Additive Prism

Description

Inserts a subtractive prism in the active Body. Its shape is subtracted from the existing solid.

PartDesign SubtractivePrism example.svg

On the left: active body (A) shown in grey and subtractive prism (B) shown in transparent red; result on the right.

Usage

  1. Press the PartDesign SubtractivePrism.svg Subtractive Prism button. Note: the Subtractive Prism is part of an icon menu labelled Create an subtractive primitive. After launching FreeCAD, the Subtractive Box is the one displayed in the toolbar. To get the Prism, click on the down arrow besides the visible icon and select Subtractive Prism in the menu.
  2. Set the Primitive parameters and Attachment.
  3. Click OK.
  4. A Prism feature appears under the active Body.

Options

It is possible to create skewed prisms by specifying angles in respect to the normal vector of the chosen attachment. introduced in version 0.19

The Prism can be edited after its creation in two ways:

  • Double-clicking it in the Model tree, or by right-clicking and selecting Edit primitive in the contextual menu; this brings up the Primitive parameters.
  • Via the Property editor.

Properties

  • ДанныеAttachment: defines the attachment mode as well as the Attachment Offset. See Part EditAttachment.
  • ДанныеLabel: label given to the Prism object. Change to suit your needs.
  • ДанныеPolygon: number of sides in the polygon cross-section of the prism.
  • ДанныеCircumradius: circumscribed radius of the polygon cross-section of the prism.
  • ДанныеHeight: height of the prism.
  • ДанныеFirst Angle: angle in first direction. introduced in version 0.19
  • ДанныеSecond Angle: angle in second direction. introduced in version 0.19