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Pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=302, NSMD pad definition Appendix A Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch.

/ 3 + tolerance*8; echo("Left panel.
0.06948 0.705395 facet normal -9.369208e-001.
Size 46.5x8.3mm^2 drill 1.3mm pad 2.5mm terminal block.
0.4 -3.30114 18.3724 facet normal 0.164793 0.491615.

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