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View Inside Mesh

July 6, 2018

July 12, 2018

ALT/OPT + B-KEY

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PDF file available here.

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Sometimes it is useful to be able to see and work inside a mesh. This can be easily achieved by using “Set Clipping Border” (ALT/OPT + B-KEY). It defines a clipping border that limits the 3D View to the portion of 3D space selected. 

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Let’s demonstrate using the Default Cube in the 3D Editor’s Edit Mode.

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• Press ALT/OPT + B-KEY to activate Set Clipping Border.

  This will generate a dashed cross-hair cursor.

• Drag a rectangle around the right side of the Default Cube.

Drag a rectangle around the part of the scene you want to remain visible.

(Click on image to expand.)

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The selected portion of the mesh remains visible while the rest of the 3D space is hidden.

Selected left half of the Default Cube remains visible.

(Click on image to expand.)

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• Rotate the Default Cube to see the interior.

   Once clipping is invoked you can see what’s inside the volume you have 

   selected.

   You can also work within that area, but not outside it. All of the editing 

   tools still function as normal but only within the visible dark gray  

   volume.

Lower left-hand edge extruded into cube.

(Click on image to expand.)

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• To delete clipping, press ALT/OPT + B-KEY again.

   Once clipping is deactivated with another Alt-B, all of 3D space will 

   become visible again.

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References:

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Blender Manual

View Clipping Border.

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