Copy Object to Primitive Center

Here is little tutorial how to copy object to primitive center by point Normal.
Need to remember Copy node uses “Normal”. “Norma default direction is Z-Axis.
And your model need to set up for Z-axis  for right direction.
Primitive wrangle is for getting point in primitive center and then delete primitive.

addpoint(0,@P);
removeprim(0,@primnum,1);

Point node is for getting “Normal” for the point.