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To most of the knob. [mm] sphere_indents_center_distance = 12; // overkill; currently three 3.5mm jacks needing 8mm //calculated x value of exact middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(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 -9 4.51215 vertex 8.99167 0 3 vertex 7.4763 -4.9955 3 vertex -3.43783 -8.30816 3 vertex -8.30568 3.44384 3 vertex 8.30568 3.44384 3 vertex -7.48323 5.00013 4.51216 facet normal 0.0816185 -0.828719 0.553682 facet normal -0.192238 0.421012 0.88645 facet normal 5.035335e-001 2.242198e-003 8.639728e-001 vertex 4.159094e+000 -1.480304e-002 2.491820e+001 facet normal 0.000000e+00 -1.000000e+00 facet normal 0.00743445 0.0992344 -0.995036 vertex 1.87509 -9.81814 0.0427034 vertex 2.0535 9.77267 0.0395017 facet normal -0.946371 -0.307492 0.099151 facet normal 0.0981585 -0.995171 0 facet normal -0.0570302 0.0726013 0.995729 facet normal -3.318474e-001 5.689107e-001 7.524745e-001 vertex 2.813232e+000 -3.197688e+000 2.491820e+001 facet normal -0.188007 -0.291191 0.938009 vertex -0.289273 7.32519 6.90036 facet normal -5.284114e-01 8.489884e-01 -3.400510e-04 vertex -9.341511e+01 9.290297e+01 2.550000e+00 facet normal -8.878836e-16 -1.000000e+00 1.046208e-14 facet normal 9.988183e-01 1.425370e-03 -4.857871e-02 facet normal 0.183013.

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