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FreeCAD: Tutorial Tablet stand (1/3)

Update: August 23, 2019
FreeCAD 0.18

Summary

What we will create?: Tablet stand

Tablet stand
Tablet stand
3D printing result
3D printing result

Mouse operation

SelectPanZoomRotate
mouse_select_CAD mouse_pan_CAD mouse_zoom_CAD mouse_rotate_CAD or mouse_rotate_CAD2

Note: FreeCAD has other modes like Inventor mode, Blender mode and touchpad mode. Please refer to "FreeCAD: Mouse operation setting".

Creating base sketch

  1. Creating a new document

    Start FreeCAD and create new documentcreate new document icon.

  2. Creating a sketch plane

    Switch workbench to Part Design workbenchWorkbench_PartDesign.

    create a new sketch planecreate new sketch plane icon and select XY-Plane in the dialog. Click OK to create sketch plane.

    New sketch plane dialog
    "New sketch plane" dialog
  3. Drawing a sketch

    Select polylinepolyline icon and draw a rough sketch. When you have finished drawing, right-click to finish polyline mode.

    Drawing a rough sketch
    Drawing a rough sketch
  4. Rounding corners

    Select filletfillet icon and click 2 straight lines making a corner to round it. Round all 3 corners of the sketch.

    Rounding corners
    Rounding corners
    Rounding all 3 corners
    Rounding all 3 corners
  5. Matching the centers of the rounded corners

    Select the centers of the inside-arc and outside-arc and apply coincident constraintcoincident constraint icon. If sketch is constrained in wrong shape, you should drag the 2 point closer before constraining. Constrain all centers of corner in the same way. By these constraints, the inside-arc and outside-arc is in parallel.

    the sketch
    Constraining to inside-arc and outside-arc
    the sketch
    Constraining all 3 corners
  6. Setting straight lines to be parallel

    Select the 2 straight line connecting the corners and apply parallel constraintparallel constraint icon. Constrain all straight sections in same way.

    the sketch
    Constrain 2 straight lines to be parallel
    the sketch
    Constrain all straight sections
  7. Set sketch position

    Select the horizontal axis of the sketch plane and the outside-arc on left side of the sketch. Then apply tangent constrainttangent constraint icon. The horizontal axis and arc will contact each other with this operation.

    the sketch
    Constrain the sketch to contact the horizontal axis

    Then select sketch plane origin and the outside-arc to apply Point on Object constraintPoint on Object constraint icon.

    the sketch
    Constrain the sketch to be on the origin

Next, we will set the dimensions of the sketch.

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