Decals, masks and....templates?

[Lucky13]

Always looking for my 13's, when decals and/or masks doesn't exist, isn't there templates as well in different scales, much like there's for panel lines, or do I remember wrong?

 

[N4521U]

one of them Crafty Plotters would do the trick,

Always looking for my 13's, when decals and/or masks doesn't exist, isn't there templates as well in different scales, much like there's for panel lines, or do I remember wrong?