About-Modifying-Edges-on-3D-Objects

About Modifying Edges on 3D Objects

    About Modifying Edges on 3D Objects

    You can select and modify edges on a 3D solid or surface.

    Move, Rotate, and Scale Edges

    Move, rotate, and scale the edges on 3D solids and surfaces using grips, gizmos,
    and commands.

    cubes with edges moved, rotated, and scaled

    You can use MOVE, ROTATE, and SCALE to modify edges on 3D solids and surfaces just
    as you can for any other object. Press and hold Ctrl to select the edge.

    If you move, rotate, or scale an edge on a 3D solid primitive, the history of the
    solid primitive is removed. The solid is no longer a true primitive and cannot be
    manipulated using grips and the Properties Palette.

    Edges on regions can be selected, but do not display grips. These edges can also be
    moved, rotated, and scaled.

    Edge Modification Options

    As you drag an edge, press Ctrl to cycle through modification options.

    • Extend Adjacent Faces. When you move, rotate, or scale an edge without pressing Ctrl, the shared length
      of the edge and its vertices is maintained. However, the planes of the adjacent faces
      adjacent might be changed.
    • Move Edge. When you move, rotate, or scale an edge and press and release Ctrl once while dragging,
      the edge is modified without its vertices. The surfaces of the adjacent faces are
      maintained, but the length of the modified edge might change.
    • Allow Triangulation. When you move, rotate, or scale an edge and press and release Ctrl twice while dragging,
      the edge and its vertices are modified. (This behavior is the same as if you had not
      pressed Ctrl). However, if the adjacent faces are no longer planar, they are triangulated
      (divided into two or more planar triangular faces).

    If you press and release Ctrl a third time, the modification returns to the first
    option, as if you had not pressed Ctrl.

    TIP: Rather than pressing Ctrl to cycle through edge modification options, hover over
    an edge grip to display the grip multi-functional menu.

    Delete Edges

    You can also delete edges that completely divide two coplanar faces using one of
    the following methods:

    • Select the edge and press Delete.
    • Select the edge and enter the ERASE command.

    Fillet and Chamfer 3D Solids

    Round, fillet, or bevel the edges of 3D solids using FILLETEDGE and CHAMFEREDGE.

    Use the fillet and chamfer grips to modify the fillet radius or the chamfer distance.
    The default fillet radius is set by the FILLETRAD3D system variable.

    TIP:Use the Chain option of FILLETEDGE to limit selection to tangent edges.

    Color Edges

    You can modify the color of an edge on a 3D object by selecting the edge and changing
    the Color property in the Properties Palette.

    Copy Edges

    You can copy individual edges on a 3D solid object. Edges are copied as lines, arcs,
    circles, ellipses, or splines.

    If you specify two points, the first point is used as a base point and a single copy
    is placed relative to the base point. If you specify a single point, and then press
    Enter, the original selection point is used as a base point. The next point is used
    as a point of displacement.

    Learning AutoCad

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