On Thursday, June 11, 2015 at 12:29:56 PM UTC-4, Steve Leonard wrote:
Three view, ruler, calculator, but no spreadsheet. :-)

Reminds of a guy I know who built a trailer for his Libelle from
the 3-view. It was pretty funny when he tried to roll the Libelle
into his just completed trailer, only to find the tail didn't fit!
The 3-view showed the original somewhat shorter vertical tail.

See ya, Dave

PS: No, I'm not going to tell you who that was...