Here is a template.
It is a quick cobble together and hopefully my math logic prevails . (Not always good at it )
Hopefully others will chip in if they see a simpler way..
It is derived from:
Here is a template.
It is a quick cobble together and hopefully my math logic prevails . (Not always good at it )
Hopefully others will chip in if they see a simpler way..
It is derived from: