how do I print a chart 1 to 1 scale?
 

I need to take an excel plot and print it 1:1 scale. I'm creating templates
with the data plotted on the chart. The X axis is the larger scale, and
varies by application. I can get the value for the maximum "X", and use that
to set the plot, and I'm comfortable using VBA, but can't seem to find a
connection between the area I'm trying to plot, and a way to scale the plot
so that after printing my x-axis prints true to life. Any Ideas?