basePlateConnYBarCornerDx = yBarWidth; // distance from a plate body corner and the nearest yBar corner
  basePlateConnYBarCornerDy = xBarY; // distance from a plate body corner and the nearest yBar corner

  basePlateConnPosX = basePlateScrewMountToYBarYZFace - basePlateConnYBarCornerDx; // distance between plateBody corner at (0,0,0) and the related corner
  basePlateConnPosY = basePlateScrewMountToYBarXZFace - basePlateConnYBarCornerDy;