How do I set radius on FreeCAD?

How do I constrain circles in FreeCAD?

Click on the centre of a circle. Then hold down the Ctrl key and click on a corner of the construction geometry. Click on the Create a coincident constraint on the selected item icon to place the circle at that corner of the square. Repeat this with three more circles so there is a circle at each corner.

How do I set FreeCAD distance?

Usage

1. Pick two points or one line or one point and one line.
2. Invoke the command several ways: Press the. Constrain distance button in the Sketcher toolbar. Use the K then D keyboard shortcut. Use the Sketch → Sketcher constraints → …
3. A pop up dialog opens to edit or confirm the value. Press OK to validate.

How do you dimension a circle in FreeCAD?

Usage

1. Select a circle or circular arc in the drawing. ( Note some arcs which appear to be circular are actually ellipses or BSplines. …
2. Press the Radius Dimension button.
3. A dimension will be added to the View. The dimension may be dragged to the desired position.
4. If needed, add tolerances as described in this page.

How do I constrain in FreeCAD?

Select one or more vertices (points) in the sketch. Constrain lock button. To edit the constraints values, double-click on a constraint value in the 3D view, or double-click on the constraint or right-click and select Edit value in the Constraint list in the Tasks tab.

How do you create a construction line in Freecad?

Toggle construction geometry button or by using the Sketch → Sketcher geometries → Toggle construction geometry entry in the Sketcher menu. This will change the color for creating new geometric elements to blue. Newly created geometric elements will now be created in construction mode.

Can the tangent constraint be applied between a line and an arc?

Tangent Constraint. Make tangent constraint between lines and circle/arcs or between two circles/arcs. Parallel Constraint. Make parallel constraint between two line segments.

How do you use the measuring tool in FreeCAD?

FreeCAD: Inserting a measurement

1. Execute a measurement tool .
2. Select 2 points on a 3D view to insert a measurement of the 2 points.
3. Select the inserted measurement in model tree and adjust character color, size and other properties at View tab on Combo View. You can change following properties.

What is construction mode in FreeCAD?

If construction mode is on new Draft objects, except Draft Points, are placed in a dedicated group and given a predefined color. This feature is intended for, often temporary, construction geometry used to provide new snap points for creating other objects.

How do I show grid in FreeCAD?

To use the grid select: Edit → Preferences… → Draft → Grid and snapping → Grid → Use grid. After changing this preference you must restart FreeCAD.

How do I change units in FreeCAD?

FreeCAD: Changing unit system

1. Select [Edit]-[Preferences…] in menu bar to open Preferences dialog.
2. In the dialog, select [Unit] tab in [General] panel and set a unit system by [Unit system]. …
3. Set the number of decimal places at [Number of decimals].
4. Click Apply to apply settings.

How do you dimension an angle in FreeCAD?

Usage

1. Select the points or edge which define your measurement.
2. Press the Angle Dimension button.
3. A dimension will be added to the View. The dimension may be dragged to the desired position.
4. If needed, add tolerances as described in this page.

How do you make a half circle on FreeCAD?

→ 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 do external geometry in FreeCAD?

Usage

1. Create a new sketch, or open an existing sketch.
2. External geometry button.
3. Select an edge or a vertex that you want to link to in the sketch.
4. Press Esc, or select another tool to stop importing geometry into the sketch.