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In this topic

  • Extrude
  • Bevel
  • Select components
  • Select a loop
  • Extrude a vertex
  • Extrude an edge
  • Inset a region
  • Inset individual faces
  • Bevel a vertex
  • Loop cut
  • Knife cut
  • Connect vertices
  • Subdivide a mesh
  • Triangulate
  • Triangles to quads
Browse documentation
  • Overview
  • Get started with Show3D
  • Modeling tools
    • Modeling examples
  • Materials & textures
  • Agent modeling
    • Connect Codex
  • Asset generation

In this topic

  • Extrude
  • Bevel
  • Select components
  • Select a loop
  • Extrude a vertex
  • Extrude an edge
  • Inset a region
  • Inset individual faces
  • Bevel a vertex
  • Loop cut
  • Knife cut
  • Connect vertices
  • Subdivide a mesh
  • Triangulate
  • Triangles to quads

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Modeling tools
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  3. Modeling tools
  4. Select a loop

Select a loop

Follow a connected edge pattern to select a useful region. Edge loops and rings are different selection patterns.

Before you start

Use Edge Select in mesh edit mode. A loop follows connected edge flow; a ring selects successive opposite edges across faces. Regular quad topology gives the most predictable path.

Use the operation

Select a continuous edge pattern without picking every edge individually.

  1. Hover over an edge that lies on the desired path.
  2. Alt-click the edge to select an edge loop. Add the platform's Ctrl/Cmd modifier with Alt to select an edge ring.
  3. Inspect the entire highlight, including the far side of the mesh, before moving or beveling it.
  4. If the path ends unexpectedly, inspect the local topology and adjust the selection manually or choose another seed edge.

Controls and choices

ControlsWhat changes
Seed edgeDetermines the pattern being followed. A different seed can select a different direction through the same area.
Loop / ringA loop follows connected edges; a ring crosses neighboring faces through opposite edges.
TopologyBoundaries, triangles, branching vertices, or irregular faces can stop or change the path.

See what changes

Before

Select a loop: A connected quad grid

A connected quad grid

After

Select a loop: A selected edge loop

A selected edge loop

Concept illustration. The diagrams explain the operation. Your result depends on the starting geometry and settings.

Check the result

The selected pattern should match the intended edit boundary, not just the first visible segment. Selecting a loop adds no new edges; use Loop Cut to insert another row of topology. Codex can also select explicit loop, ring, boundary, or linked patterns after inspecting the scene.

Related operations

Select componentsLoop cutBevelSlide an edge

Practice in Show3D

Open the editor and follow the steps with your own scene.
Start modelingModeling essentials

On this page

Before you startUse the operationControls and choicesSee what changesCheck the resultRelated operations