Pattern for the Collar to Edward VI's Shirt

Some believe that this is the portrait of Edward VI, the only legitimate son of Henry VIII of England. However, others attribute this painting to Henry Fitzroy, the illegitimate son of Henry VIII. 

 

Either way, here is the collar from this painting (pictured below), painted by Hans Holbein the Younger (circa 1535).

 

 

  (located in the Kunstmuseum Basel, the Basel Museum of Art, in Basel, Switzerland)

  

Here is my interpretation of the pattern based on the portrait:

My attempt at the pattern is pictured below.