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    In this topic

    • Bridge loops
    • Fill a boundary
    • Delete mesh elements
    • Dissolve an edge
    • Merge vertices
    • Merge by distance
    • Separate geometry
    • Slide an edge
    • Slide a vertex
    • Recalculate normals
    • Mark sharp edges
    • Smooth shading
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  4. Slide an edge

Slide an edge

Ask Agent to slide mesh edges along adjacent topology with an explicit target or direction.

Before you start

Choose Show3D Agent in the AI workspace’s Agent tab, or use a connected Codex session. This operation is available through Agent; there is no dedicated hands-on panel.

Use the operation

Move an edge toward a neighboring part of its surface without adding a new loop.

  1. Identify the mesh and the edge or loop to move. Ask Agent to inspect its current topology and enter Mesh Edit Mode.
  2. Describe the neighboring side and a modest fraction, for example: “Slide this support edge one quarter of the way toward the adjacent outer edge.”
  3. Have Agent use the inspected edge indices and current topology revision. Inspect the result in Show3D before requesting another change.

Controls and choices

ControlsWhat changes
FactorA fraction between 0 and 1 moves toward the chosen target; 0.25 is one quarter of the distance. Larger or negative values can extend beyond the intended strip.
Side or directionThe default edge path uses a neighboring face with at least four corners. Ambiguous topology needs an explicit side or direction.
Existing topologySlide changes positions. It does not add edges, and conflicting targets on connected edges require a more specific selection.

Try it in your scene

Ask Agent to inspect a support edge and slide it a small distance toward its neighbor. Check face spacing and overlap.

Check the result

Compare loop spacing and check for crossed edges or collapsed faces. Ask Agent to undo and reduce the factor if the supporting topology folds.

Related operations

Loop cutSelect a loopSlide a vertex3D Agent

Practice in Show3D

Open the editor and follow the steps with your own scene.
Open Show3D3D Agent

On this page

Before you startUse the operationControls and choicesTry it in your sceneCheck the resultRelated operations