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# How do I align parts by the midpoint of a rectangular block?

The most natural way to set up these blocks is vertically centered over each other.  At present, the only way I can think to align things is

1) mate faces

2) add a formula subtracting the length dimension of the two blocks and divide by 2.

Can I somehow reference the midpoint of edges or something instead?

4 REPLIES

## Re: How do I align parts by the midpoint of a rectangular block?

See "Center-Plane" relationship.  Also, if parts are symmetric about the global reference planes/coord-sys, you can show them and use the Mate/Align relationships to center them.

Ken Grundey
Production: ST9 MP4
Testing: ST10

## Re: How do I align parts by the midpoint of a rectangular block?

I couldn't get anywhere with Center-Plane.  No idea what I should pick for that.

## Re: How do I align parts by the midpoint of a rectangular block?

Further, I can show the global plane, but I don't know how to align the center of a block to those planes, I only get faces to planes. Likewise there's a coordinate-systme align command, but I can't see coordinate systems of the part.
Solution
Solution
Accepted by topic author AlanBaljeu
‎08-26-2015 04:32 AM

## Re: How do I align parts by the midpoint of a rectangular block?

Center-Plane video:

Ken Grundey
Production: ST9 MP4
Testing: ST10