Corel CAD printing measurements

Corel CAD, just a home project enthusiast but do all my design in 3d then print the 2d view with dimension lines. The problem is in sheet view layout it is very difficult to add dimension lines with esnap on and the model measurement shows up on sheet size instead of real size. so 8 feet is 2 1/2 inches. What am I doing wrong and where do I need to configure to get it to esnap the model, give me the model measurement, all from the sheet view.