Stitch Tool Dialog

Command entry:Unwrap UVW modifier

Edit UVs rollout

Open UV Editor button

Edit UVWs dialog

Tools menu

Stitch Selected

Command entry:Unwrap UVW modifier

Edit UVs rollout

Open UV Editor button

Edit UVWs dialog

Stitch rollout

Stitch Settings button (on Stitch: Custom flyout)

After you've separated your object's UVW coordinates into clusters, either manually or using one of the automatic tools on the Mapping menu, you can use the Stitch tool to recombine specific clusters by merging corresponding edges.

NoteYou can stitch together only two clusters at a time. If the current sub-object selection is shared by more than one cluster, then “majority rules”: Stitch attaches the cluster that shares the most sub-objects. If the number of sub-objects shared by multiple other clusters is the same, 3ds Max attaches the cluster whose shared sub-objects were chosen first.

Procedures

To stitch two clusters together:

In the “source” cluster, select sub-objects along an edge you want to connect.
By default, this causes the shared edges to highlight in the “target” object(s).
Open the Stitch Tools dialog via either UI path at the start of this topic.
The clusters are connected.
Adjust the settings on the Stitch Tool dialog.
Feedback takes place in real time.
Click OK to accept or Cancel to abort.

Interface

Align Clusters: Moves the target cluster to the source cluster, and rotates the target cluster into place if necessary. When off, the target cluster remains in its original position and orientation. Default=on.

TipIf your clusters overlap after stitching with Align Clusters turned on, cancel the stitching, and then position and align them as you want them after stitching. Then use the Stitch tool with Align Clusters turned off.
Scale Clusters: Resizes the target cluster to a size comparable to that of the source cluster. Takes effect only when Align Clusters is on. Default=on.

Edges chosen to stitch (left); Clusters aligned (center); Clusters aligned and scaled, with Bias=0 (right)
Bias: When Scale Clusters is off, Bias sets the extent to which attached sub-objects are moved from their original positions. At Bias=0, the sub-objects remain in their original positions in the source cluster. At Bias=1, sub-objects remain in their original positions in the target cluster. At in-between settings, their positions are averaged between the two.

When Scale Clusters is on, Bias sets where 3ds Max derives the scaling of the target cluster(s). At Bias=0, the scale is fully derived from the stitched edges on the source. At Bias=1, the scale is fully derived from the stitched edges on the target. At in-between settings, the scaling is averaged between the two.
OK: Accepts the changes and closes the dialog.
Cancel: Undoes any changes and closes the dialog.