In most cases you should use 4 crop marks.
  1.  (1) Printing area
     (2) Crop mark

    Switching to 3 Crop Marks

    CutStudio

    Procedure

  1. From the File menu, click Printing Setup.

     

  2. From the Layout Points list, select 3.

     

  3. Click OK.

    After setting the values, check that the crop marks are within the printing area.

    Illustrator

    Procedure

  1. Click , and then click Crop marks.

  2. From the Point list, select 3.

     

  3. Click OK.

     

    CorelDRAW

    Procedure

  1. Click , and then click Crop marks.

  2. From the Point list, select 3.

     

  3. Click OK.