How do you make a half circle in Freecad?

How do you make a semicircle in Freecad?

If the Edit → Preferences… → Draft → General settings → Draft tools options → Use Part Primitives when available option is checked, the command will create a Part Circle instead of a Draft Circle.

How do you draw a half sphere in Freecad?

Re: how to create half sphere on choosen face of a 3d object?

  1. Select face, create new sketch.
  2. draw a construction line to serve as revolution axis.
  3. draw and constrain a closed profile of a semi-circle, that when revolved around axis will produce a sphere.
  4. PartDesign Revolution.

How do you cut a shape in Freecad?

Double click a solid on 3D view to select it. Then click the cut plane with Ctrl key to select it. to cut the shape. Each cut result shape will be placed at group (“Exploded Slice” as follow) in model tree.

How do you make a sphere in free CAD?


  1. Press the. Additive Sphere button. Note: the Additive Sphere is part of an icon menu labelled Create an additive primitive. After launching FreeCAD, the Additive Box is the one displayed in the toolbar. …
  2. Set the Primitive parameters and Attachment.
  3. Click OK.
  4. A Sphere feature appears under the active Body.

How do you find the center of a circle in Freecad?

Re: Finding the centre of a circle.

If it is a hole in a planar face, you can attach a sketch to the face, link to the edge of the hole as external geometry, and you’ll get the center.

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How do you delete a constraint in Freecad?


  1. Go to the Sketch → Sketcher tools → Delete All Constraints menu.
  2. Reply Yes to the dialog pop up.

How do you recompute FreeCAD?


  1. To force a recompute select the document or one or more objects in the Tree view, choose the. Mark to recompute option from the context menu, and invoke the command.
  2. For objects, but not for documents, you can also choose Recompute object from the same context menu (introduced in version 0.19).