I use CorelDraw as I have been using it over 20 years now.  Adobe Illustrator would also be a good choice as both of these are vector (math) based and would give the best results. 
 
You could use a Photoshop or Gimp type program as long as you work at ~600dpi and keep everything on layers. 
 
Cheers 
Stot 
		
	
		
		
		
		
			
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				1.6 Mazda B6 : Garrett TBO339 : 420cc WRX Injectors : FMIC : Microsquirt V3 : LC-2 Wideband : Toyota COP : 1.8 ATB LSD 
Build Started Jan 2013 : OTR Aug 2014 : Still OTR June 2024
			 
		
		
		
		
	
		
		
	
	
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