a 54 page book uses cubicShadows.xls, also see
and the book and all the spreadsheets are in ZIP form here
(but not on an iPhone or Android.
Goes way beyond Micro Shadows and Simple Shadows,
includes theory, tables, and templates, 54 pages.
If you like it, get the free Illustrating Time's Shadow
|download Cubic Shadows if you want to go beyond the
Cubic Shadows also has the Dialling Scales, however,
Simple Shadows has some things that Cubic
Shadows does not have.