Abstract: The possibility of magnetic order in a sample depends on its spatial dimensionality and order parameter components. Mermin and Wagner proved that no magnetic order, ferromagnetic or antiferromagnetic, exists in an isotropic Heisenberg, Ising or XY 2 dimensional (2d) magnet. However, Onsager and some other scientists proved that under certain conditions of temperature in Ising model and anisotropy, transition to order is possible in 2d’ magnetic material. SQUID is the most modern and sensitive of all non-destructive evaluation instruments of all magnetic detectors. A 2d Mangense Stearate (MnSt2) sample was fabricated, mounted and moved along the axis of a SQUID magnetometer. Magnetic flux simulation for the design of an ideal axial sample and holder configuration expected of such sample is hereby considered.