"""Real native FEMM check of on-disk mesh-area units; no field solve."""
import sys
if sys.implementation.name != "micropython":
    raise RuntimeError("Use FEMM embedded MicroPython")
open("mytransformer.fem")
mi_selectlabel(3.29, 1.3125)
mi_setblockprop("Обмоточный провод 14 AWG", 0, 0.025, "Вторичная обмотка", 0, 2, -90)
mi_clearselected()
mi_saveas("mesh_unit_probe.fem")
mi_close()
print("Native block mesh diameter 0.025 inches saved; inspect fourth block-label field.")