Create Instance

#Coded by graphos => graphos.xyz
import c4d

def create_instance(obj, pos):
    instance = c4d.BaseObject(c4d.Oinstance)
    instance.SetAbsPos(pos)
    instance[c4d.INSTANCEOBJECT_LINK] = obj
    doc.AddUndo(c4d.UNDOTYPE_NEW, instance)
    doc.InsertObject(instance)

def main():
    obj_list = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_CHILDREN)
    pt_obj = obj_list[0]
    instance = obj_list[1]

    worldSpaceCoords = pt_obj.GetMg()
    allPoints = pt_obj.GetAllPoints()
    doc.StartUndo()
    for i,a in enumerate (allPoints):
        localPoint = pt_obj.GetPoint(i)
        globalPoint = localPoint * worldSpaceCoords
        create_instance(instance, globalPoint)

    doc.EndUndo()
    c4d.EventAdd()

if __name__=='__main__':
    main()