how can I make this fit in 7mm?
I thought
outer layer -> 2.0mm
blue layer -> 1.5mm
center -> x
blue layer -> 1.5mm
outer layer -> 2.0mm
but if I do it this way the core is 0cm lol
any suggestions?
I can do
1.0 outer
1.0 blue
3.0 center
1.0 blue
1.0 outer
but looking at a ruler 1.0 seems...
