Create.  Resize.  Print.
Print art patterns to any size on your home printer  BUY RAPID RESIZER HERE 
 
I use this program ALL THE time to scale up my tracings for larger paintings.  WATCH HOW I USE RAPID RESIZER HERE   
 
 
Please note:  This is an affiliate link which means I will receive a small commission for recommending this product but it will not cost you any more.  I only recommend products I use myself.  This is a program I use regularly to scale up my tracings/outlines for commission art and larger paintings.