Bevel Edges



Edit Mode(編集モード)


Edge ‣ Bevel Edges




Vertex ‣ Bevel Vertices (vertex bevel)


Shift-Ctrl-B (vertex bevel)

The Bevel tool allows you to create chamfered or rounded corners on geometry. A bevel is an effect that smooths out edges and corners.

Real world edges are very seldom exactly sharp. Not even a knife blade edge can be considered perfectly sharp. Most edges are intentionally beveled for mechanical and practical reasons.

Bevels are also useful for giving realism to non-organic models. In the real world, the blunt edges on objects catch the light and change the shading around the edges. This gives a solid, realistic look, as opposed to un-beveled objects which can look too perfect.




The Bevel Edges tool works only on selected edges with exactly two adjacent faces. It will recognize any edges included in a vertex or face selection as well, and perform the bevel the same as if those edges were explicitly selected. In "vertex only" mode, the Bevel Vertices tool works on selected vertices instead of edges, and there is no requirement about having any adjacent faces. The Bevel tool smooths the edges and/or "corners" (vertices) by replacing them with faces making smooth profiles with a specified number of segments (see the options below for details about the bevel algorithm).

Use Ctrl-B or a method listed above to run the tool. Move the mouse to interactively or type a number to specify the bevel offset, and scroll the Wheel to increase or decrease the number of segments (see below).


Selected edge before beveling.


Result of bevel (one segment).


Result of bevel (vertex only).


Normal (edge) beveling only works on edges that have exactly two faces attached to them. Vertex beveling has no such restriction.


Affect(影響) V




Width Type M

Selects how the Width value controls the size of the bevel. According to the selection, the width is:


The distance from the new edge to the original.




The percentage of the length of adjacent edges that the new edges slide.


The exact distance along edges adjacent to the beveled edge. A difference from Offset is visible when the unbeveled edges attached to beveled edges meet at an angle besides a right angle.

For vertex-only bevels, the Offset and Depth types measure from the original vertex. The Width type is measured from a new vertex to the center of the new face (as half the Width).

Width A

You can change the bevel width by moving the mouse towards and away from the object, a bit like with transform tools. The exact meaning of the value depends on the Width Type option (see above). As usual, the scaling can be controlled to a finer degree by holding Shift to scale in 0.001 steps. LMB finalizes the operation, RMB or Esc aborts the action.


When multiple edges are beveled at the same time, it is sometimes impossible to make the width match the above definition on all edges simultaneously. Bevel tries to compromise in such cases. Sometimes turning off Loop Slide (see below) can make it easier for Bevel to make the widths as specified.

Segments(セグメント) S

ベベルのセグメント数は、マウス Wheel をスクロールしてこの値を増減することで定義できます。セグメントの数が多いほど、ベベルは滑らかになります。または、 S を押して、数値入力だけでなく、マウスの動きで数値を変更します。




Shape(シャープ) P

これは、プロファイルの形状(ベベル辺の側面図)を制御する0から1までの数値です。デフォルト値の0.5は、円弧を示します(面が直角に交わる場合)。それよりも小さい値はより平坦なプロファイルを提供し、0.25は正確に平坦であり、それよりも小さい値は凹面のベベルを提供します。0.5を超える値は、より凸状のプロファイルになります。 Segments(セグメント) と同様に、 P を押した後、マウスの動きや数値入力で設定できます。

Material Index(マテリアルインデックス)

The Material number specifies which material is assigned to the new faces created by the Bevel tool. With the default, -1, the material is inherited from the closest existing face ("closest" can be a bit ambiguous). Otherwise, the number is the slot index of the material to use for all newly created faces.

Harden Normals(法線のハード化) H

When enabled, the per-vertex face normals of the bevel faces are adjusted to match the surrounding faces, and the normals of the surrounding faces are not affected. This will keep the surrounding faces flat (if they were before), with the bevel faces shading smoothly into them. For this effect to work, custom split normals need to be enabled, which requires Auto Smooth to be enabled (see Normals). As a convenience, that option will be enabled for you if it is not already when you enable Harden Normals here.

Clamp Overlap(重複の回避) C

Limits the width of each beveled edge so that edges cannot cause overlapping intersections with other geometry.

Loop Slide(ループスライド)


Seams U

If a seam edge crosses a non-seam one and you bevel all of them, this option will maintain the expected propagation of seams.

Sharp K

Similar to Mark Seams, but for sharp edges.

Miter Outer O

A miter is formed when two beveled edges meet at an angle. On the side where the angle is greater than 180 degrees, if any, it is called an outer miter. This option specifies the pattern that Blender uses at an outer miter.


Edges meet at a sharp point, with no extra vertices introduced on the edges.


Edges meet at a sharp point but in addition, two extra vertices are introduced near the point so that the edges and faces at the vertex may be less pinched together than what occurs in the Sharp case. The Spread slider controls how far the new vertices are from the intersection.


Two vertices are introduced near the intersection, and a curved arc joins them together. The Spread slider controls how far the new vertices are from the intersection. The Profile slider controls the shape of the arc.

The current choices are shown in this diagram, where the outer miter is along the horizontal surface.


Sharp outer miter.


Patch outer miter.


Arc outer miter.

Inner I

An Inner Miter is formed when the angle between two beveled edges is less than 180 degrees. This option specifies the pattern Blender uses at an inner miter. The options are the same as for Outer Miter, except that Patch makes no sense and is therefore omitted. Inner miters are shown in the following diagram, where two inner miters are on the vertical surfaces.


Sharp inner miter.


Arc inner miter.


The value used to spread extra vertices apart for Outer and Inner Miters.

Intersection Type N

When more than two beveled edges meet at a vertex, a mesh is created as a way to complete the intersection between the generated geometry. This option controls the method used to create that mesh.

Grid Fill

The default method for building intersections, useful when a smooth continuation of the bevel profile is desired. Without Custom Profile enabled, the curve of the profile continues through the intersection, but with a custom profile it just creates a smooth grid within the intersection's boundary.


Creates a cutoff face at the end of each beveled edge coming into the vertex. This is most useful for custom profiles when the new intersection is too complex for a smooth grid fill.

With a three way intersection, when the inner corners of the cutoff profiles faces meet at the same location, no center face is created.

The direction of the cutoff faces depends on the original vertex's normal.

Intersection method options.

Grid fill intersection method.


Three way cutoff intersection where the inner vertices are merged.


Cutoff intersection method with a center face.

Face Strength

指定されたモードに従って、ベベルに含まれる面に Face Strength(面の強さ) を設定します。これは、 Weight Normals Modifier(重み付き法線モディファイアー) と組み合わせて使用​​できます (Face Influence(面の影響) オプションがオンになっている場合)。




辺に沿った新しい面の面の強さを Medium(中) に設定し、頂点の新しい面の面の強さを Weak(弱) に設定します。


New(新規) に設定されているものに加えて、新しい面に隣接する面にも強さを Strong(強) に設定します。


Affected(影響する物) オプションに設定されているものに加えて、モデルの残りのすべての面の強さを Strong(強) に設定します。

Profile Type(断面のタイプ) Z







The Profile slider stays active when miters are enabled because it still controls the shape of the miter profiles.


Support Loops(サポートループ) および Steps(ステップ) プリセットはベベル内のセグメントの数に応じて動的に構築されています。セグメント数を変更する場合は、プリセットを再適用する必要があります。


サンプルは最初に各制御点に追加され、十分なサンプルがある場合は、辺間で均等に分割されます。 Sample Straight Edges(真っ直ぐな辺を取得) オプションは、サンプルはいずれかの側の鋭い制御点を持つ辺に追加されるかどうかを切り替えます。各辺に同じ数のサンプルを与えるのに十分なサンプルがない場合、それらは最も湾曲した辺に追加されます。したがって、少なくとも制御点と同じ数のセグメントを使用することをお勧めします。


Result of beveling multiple edges.


Another example of beveling multiple edges.


An example using Profile=0.150.


Bevel Modifier

Bevel Modifier(ベベルモディファイアー) は、 データ非破壊な、ベベルツールの代替手段です。