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96 Ball, 9x16 Layout, 0.8mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST TFBGA-225, 13.0x13.0mm, 225 Ball, 15x15 Layout, 0.8mm Pitch, https://www.infineon.com/cms/en/product/packages/PG-LFBGA/PG-LFBGA-292-11/ LFBGA-100, 10x10 raster, 4.201x4.663mm package, pitch 0.4mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f405og.pdf WLCSP-100, 10x10 raster, 4.775x5.041mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l031f6.pdf WLCSP-25, 5x5 raster, 2.423x2.325mm package, pitch 0.8mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f446ze.pdf UFBGA-144, 12x12 raster, 7x7mm package, pitch 0.5mm UFBGA-64, 8x8 raster, 3.141x3.127mm package, pitch 0.8mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f401vc.pdf WLCSP-49, 7x7 raster, 2.999x3.185mm package, pitch 0.4mm pad, based on the cylindrical part of the knob. [mm] sphere_indents_center_distance = 12; // [1:1:84] // margins from edges h_margin = hole_dist_side + thickness; v_margin = hole_dist_top*2 + thickness; right_rib_x = width_mm - hole_dist_side, height - v_margin; working_increment = working_height / 7; // generally-useful spacing amount for vertical columns of stuff // How much to cut off to create cutouts around the top surface of the Pelorinho Trio Eléctrico (11:52 - 15:50)

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