@prefix sh: <http://www.w3.org/ns/shacl#>.
@prefix ex: <http://example.org/>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.

ex:shape a sh:NodeShape;
  sh:property [
    sh:path ex:point;
    sh:node ex:PointShape;
  ].

ex:PointShape
  a sh:NodeShape ;
  sh:property [
    sh:path ex:x ;
    sh:datatype xsd:integer ;
    sh:minCount 1;
  ] ;
  sh:property [
    sh:path ex:y ;
    sh:datatype xsd:integer ;
    sh:minCount 1;
  ].