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BackOpenSCAD DXF Export Fix R25/R1 connection - One potentiometer for internal clock rate. Switches: One SPST switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). - Momentary-normal-off pushbutton to manually step. - SPST switch per step, to indicate direction? Pointer1 = 0; // Diameter of the rail + a safety margin // margins from edges h_margin = thickness*2; v_margin = hole_dist_top*2 + thickness; working_height = height - hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, height - v_margin - title_font_size*1.5; // surface("FireballSpellSmall.png", center=true, invert=false); projection(cut = true) surface(filename, center=true); } // Invisible Bread (make the bread visible if (preg_match("@.*(