// details in arcs
FN=40;

toplength = 1500;
topdepth = 630;
topheight = 50;
topbeamthickness = 45;
topsidethickness = 50;
topslitdepth = 20;

connectorheight = 100;
connectorthickness = 30;
connectorgroundoffset= 200;

benchheight = 960;

standbeamthickness = 70;
standoffset = 50;
standsideoffset = 100;
standvertoffset = 50;