how do you weld two seperate polys together in 3ds max9?

new to 3d modeling...have trouble welding two seperate polys together. anyone know the technique?
nooch44Asked:
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bham3dmanConnect With a Mentor Commented:
Greetings,

1. You can only weld 2 polygons together if they each have an open edge - meaning that the edge only borders a single polygon.  Thus you may have to delete a polygon, or break an edge before you can weld.  You can weld polygons together by welding the individual vertices or edges together.

2. If the polygons are on separate objects, you must first attach the two objects together using a modifier such as Edit Poly (recommended).  Just apply the modifier to one object, click the Attach command button, then click on the other object, and right-click to end the command when finished.

3. To weld two polygons together, add an Edit Poly modifier to the object (attach other objects if necessary), switch to Vertex sub-object mode (keyboard shortcut 1), then use one of the following commands:

Weld - To weld 2 or more vertices together, select all of the vertices, click on the settings box to the right of the Weld command button, increase the weld threshold (the distance the vertices must be from one another in order to weld) until the vertices weld together.

Target Weld - Target welding allows you to weld one vertex to the position of another vertex.  Click the Target Weld command button, click on a vertex, then click on the vertex at the location where you want to weld.  The first vertex will then jump to the second vertex's location and weld with it.

In each case, vertices must either have an open edge connected to it, or must share a common edge with the other vertices.

The above commands also work for Edge sub-object mode, but I prefer to weld vertices.

I hope this is helpful.  Good luck!
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