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Page "Printing Knobs And Widgets Update 'Printing Knobs And Widgets Pages Fab Plant Research Shaft type Other considerations Pot Knobs Ideal candidates Okay candidates No spline teeth, but the right sub-panel top_row = height - v_margin*2 - title_font_size; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = width_mm - col_right; // column from edge plus hole radius h_wall(h=4, l=slider_spacing * 10 + center_adjust; right_col = width_mm - hole_dist_side - thickness; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 2.5 6.5 facet normal -0.115684 -0.000419123 0.993286 facet normal 0.0759126.

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