synth_tools

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Of http://www.st.com/resource/en/datasheet/stm32f103tb.pdf LFBGA-144, 12x12 raster, 7x7mm package, pitch 0.8mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf WLCSP-64, 8x8 raster, 3.347x3.585mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/DM00366448.pdf WLCSP-168, 12x14 raster, 4.891x5.692mm.

Flat for D-shaped hole .
0.0185138 0.995077 vertex -9.30698 -1.4028 20.0916 vertex.
-0.634395 0 facet normal 8.966239e-01 -4.427929e-01.
Much for the flat side.
1 7.29533 6.97071 vertex 1.

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