GuitarModels/2Banger Parts/fret_tube_I_J.scad

use <../2Banger_fret_tube.scad>
// I = 0;  // Override with -D 'I=... J=...'
// J = 24;  // Override with -D
echo(str("Called with I=", I, " J=", J))
tube(from_fret = I, to_fret = J);