Used to attach and manipulate reality meshes.

Setting	Description
Show Hierarchy	When on, displays a tree that shows the active file and references that are directly attached to it. When the tree is turned off, you can use the arrow button next to the Show Hierarchy icon to list the active file and any references that are directly attached to it.
Attach Reality Mesh	Opens the Attach Reality Mesh dialog from where you can attach a reality mesh by either entering the URL or browsing to a reality mesh file.
Detach Reality Mesh	Detaches the selected reality mesh. MRMESH DETACH < ALL | SELECTED | SINGLE >
Clip Reality Mesh	Clips a reality mesh to the interior of an existing element. MRMESH CLIP
Mask Reality Mesh	Covers a portion of a reference that is inside a boundary. MRMESH MASK
Split Reality Mesh	Splits a reality mesh into two meshes representing interior and exterior of an existing element. MRMESH SPLIT
Delete Clip	Deletes one or more clips. MRMESH UNCLIP < ALL | ELEMENT | FENCE | TOOL >
Hilite Mode	Controls whether the selected references are highlighted and surrounded by a border. None - Selected references are not highlighted in any way. Boundaries - Places a dashed border around selected references.
Reality Mesh Attachment upper list box	Lists the reality mesh attachments for the current model. For each reference, the following columns are displayed by default: File Name - The file name for the reality mesh attachment. Active Classifier - The name of the Active Classifier (or none). Export Resolution - Controls the resolution when the reality mesh is exported. Transparency (icon) - Sets the degree of transparency to be applied to the reality mesh. Display (icon) - If off, omits the reality mesh display in all views. Snap (icon) - If off, makes the reality mesh unsnappable. Locate (icon) - If off, makes the reality mesh not locatable by tools. All the entries in this list are editable. For example, double-click on the File Name entry to select an alternate reality mesh file.
Tools > Attach	Opens the Attach Reality Mesh dialog from where you can attach a reality mesh by either entering the URL or browsing to a reality mesh file.
Tools > Detach	Detaches the selected reality mesh attachment.
Tools > Detach All	Detaches all the reality mesh attachments.
Tools > Clip	Clips a reality mesh to the interior of an existing element.
Tool > Mask	Covers a portion of a reference that is inside a boundary.
Tools > Split	Splits a reality mesh into two meshes representing interior and exterior of an existing element.
Tools > Remove Clipping	Deletes one or more clips.