encoding  utf-8

source OdinMaster.th
export model -fmt survex -o Odinmaster.3d
export map -layout local -o Odinmaster.pdf
#export model -o Odinmaster.lox

layout local
code metapost
def l_u_wall (expr P)=
T:=identity;
if path P:
if known(ATTR_color):
draw P withpen PenA withcolor scantokens(ATTR_color);
else:
draw P withpen PenA;
fi;
fi;
enddef;

 initsymbol("l_u_wall");
endcode
endlayout