load structure of %block%
   load structure %string% from [author] %string% at %location% rotated by %number%, mirrored %string% and ignoring entities %boolean%
   save structure of %block%
   save structure %string% from [author] %string% between %location% and %location%
   set structure corners of %block% to %location% and %location%

   structure author of %block% -> %string%
   structure meta data of %block% -> %string%
   structure integrity of %block% -> %number%
   structure mirror type of %block% -> %string%
   structure rotation of %block% -> %number%
   structure name of %block% -> %string%
   structure seed of %block% -> %number%
   structure [(1¦x|2¦y|3¦z)][-]size of %block% -> %number% or %vector% if x/y/z is omitted
   structure relative (1¦location|2¦vector) of %block% -> %location% or %vector%
   structure (1¦min|2¦max)[imum] location of %block% -> %location%
   structure mode of %block% -> %string%
   structure bounding box of %block% is visible -> %boolean%
   structure of %block% ignores entities -> %boolean%
   structure of %block% shows invisible blocks -> %boolean%