Hi
just use command rec for rectangle then you will get option (chamfer/elevation/filetthikness/width) for purpose of chamfer use c and fill the chamfer size in both and specifiy first chamfer distance is a y direction and second specify distance is for x direction.....
PURTI, this is the 3D Studio Max section. You are giving advice for Autocad. What you have presented will not work in Studio Max. Please be aware of what part of the forum you are in before giving advice.