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BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=275, NSMD pad definition Appendix A BGA 484 1 FB484 FBG484 FBV484 Artix-7, Kintex-7 and Zynq-7000 BGA, 15x15 grid, 13x13mm package, pitch 0.8mm TFBGA-121, 11x11 raster, 10x10mm package, pitch 0.65mm VFBGA-86, 6.0x6.0mm, 86 Ball, 10x10 Layout, 0.4mm Pitch, https://www.ti.com/lit/ml/mxbg419/mxbg419.pdf, https://www.ti.com/lit/ds/symlink/tmp117.pdf Texas Instruments, BGA Microstar Junior, 7x7mm, 113 ball 12x12 grid, NSMD pad definition (http://www.ti.com/lit/ds/symlink/txb0102.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments BGA-289, 0.4mm pad, based on the rails v_wall(h=4, l=height-rail_clearance*2-thickness, th=2); h_wall(h=4, l=slider_spacing*10+left_panel_width/2-right_rib_thickness, th=1.5); main MK_SEQ/Schematics/Unseen Servant/Unseen Servant_counter_board_noncanonical.kicad_dru facet normal 8.884534e-01 -4.589668e-01 3.223788e-04 facet normal 0.45998 0.538533 0.705975 facet normal 0.416181 -0.778622 0.469619 facet normal 0.362608 0.422016 0.830914 vertex -4.69512 -5.64771 7.09873 facet normal -3.496760e-001 -6.145908e-001 7.071103e-001 vertex -5.074182e+000 -6.424642e-002 2.484855e+001 facet normal 1.397736e-01 9.901835e-01 -3.655938e-05 facet normal -0.950499 0.290271 0.110881 facet normal -0.634392 -0.773012 0 vertex -7.83991 5.34516 6.17309 facet normal 8.660254e-01 5.000000e-01 0.000000e+00 facet normal 0.564052 0.273151 0.779252 facet normal -0.364903 -0.547893 0.752767 facet normal -0.796836 -0.241804 0.553699 facet normal -7.646735e-01 -4.091655e-03 -6.444050e-01 facet normal -7.748049e-001 6.322004e-001 0.000000e+000 vertex 2.741467e-001 -5.690018e+000 1.747200e+001 facet normal.

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