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Nut to match the top knobs // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 40; // widest element is rotary, at 30mm slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+8; module label(string, size=4, halign="center", height=thickness+1, font=default_label_font) { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font); // draw panel, subtract holes panel(width); // Top left: clock in, speed pot_p160(); // Left side: meta-step controls // step rotary switch - this needs measuring, and leaving space for well-aligned, well-printed numbers // step rotary switch? Special: this needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a S&H would be nice. Lots of options.

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