Ok, I might be going about this configuration thing all the wrong way. Anyway, i have an assembly with 2 components. One is a flat plate the other is a cylinder with a flange...the flange attaches to the flat plate. I have multiple configs of the cylinder/flange with the diameter of the cylinder being the variable. I also made multiple configs of the assembly. I would like to position dowel and mounting holes in the flat plate using the existing holes in the flange. Is there a way I can do this with each cofiguration and have them all show up in the flat plate model. When i insert a hole in one configuration and then change to another the holes move to the location of the current config. (obviously I know)...just cant figure out the best way to approach this. THanks for the help in advance. I have attached the assembly file.