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/ (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff working_height = height - v_margin - title_font_size*2; working_width = width_mm - thickness*2; // draw a "vertical" wall // h = engraved_indicator_depth * 2, $fn = smooth } module knurled_finish(ord, ird, lf, sh, fn, rn [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" Parameters, all of the Pelorinho Trio Eléctrico (11:52 - 15:50)

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