Hi Smoore2,
Using graph builder you can create a mosaic plot with either proportionally sized or equally sized x categories.
If you use your X variable in the X drop zone, you will produce the typical mosaic plot with proportionally sized categories on the X
![7188_Screen Shot 2014-08-28 at 7.50.43 PM.png 7188_Screen Shot 2014-08-28 at 7.50.43 PM.png](https://community.jmp.com/t5/image/serverpage/image-id/784i75CD5229E0CEFA3C/image-size/medium?v=v2&px=400)
But, if you use your X variable in the "Group X" drop zone at the top, JMP will size the categories equally.
![7189_Screen Shot 2014-08-28 at 7.50.40 PM.png 7189_Screen Shot 2014-08-28 at 7.50.40 PM.png](https://community.jmp.com/t5/image/serverpage/image-id/785i654E0E5BAA9577F8/image-size/medium?v=v2&px=400)
If you right click the category labels on the top, then select "X Group Edge" you can move the labels to the bottom (to most closely resemble the original mosaic plot).
I hope this helps!
Julian