#(set-default-paper-size "a3" 'landscape)
#(set-global-staff-size 14)
\paper {
%    papersize = "a3"
%    topmargin = 
%    bottommargin = 
%%    rightmargin =
%    linewidth = 250 \mm
%    linewidth = 170 \mm
%    headsep = 
%    footsep =
%    raggedlastbottom = 
%    betweensystemspace = 5 \mm
%    betweensystempadding =
%    aftertitlespace =
%    beforetitlespace =
%    betweentitlespace =
%    printpagenumber =
%    hsize = 420 \mm
%    vsize = 297 \mm
    leftmargin = 15 \mm
    rightmargin = 25 \mm
    linewidth = 380 \mm
    raggedbottom = ##t
%    indent = 0.0\mm
}