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0.166294 0.21962 0.961308 vertex -5.04394 -5.04394 6.87796 vertex -5.09136 -5.00497 6.87866 vertex -7.34599 -0.0206242 6.86125 facet normal -0.338901 0.181187 0.92321 vertex -7.50438 -4.96056 3.82299 facet normal 0.2956 -0.346101 0.890413 facet normal 0.491352 0.598708 0.632552 vertex 4.86024 -7.27387 5.33536 facet normal -0.615915 -0.526055 0.586443 facet normal -4.868858e-001 -8.510721e-001 1.965158e-001 facet normal 9.771068e-001 -2.127494e-001 0.000000e+000 vertex -5.833669e-003 -5.695790e+000 1.747200e+001 facet normal -0.464678 -0.695445 -0.548115 vertex 1.28613 3.10499 18.4724 facet normal -5.008417e-001 8.586316e-001 1.091305e-001 vertex 3.461637e+000 -2.679382e+000 2.470218e+001 facet normal -0.122595 -0.678279 0.724506 facet normal 4.268660e-001 7.465647e-001 5.103201e-001 vertex -4.032579e+000 -2.395187e+000 2.482134e+001 facet normal 0.952732 -0.286108 0.102199 facet normal -0.012304 0.156322 0.987629 vertex 3.66217 -0.11686 18.8084 facet normal 0.977435 -0.186459 0.0992694 facet normal 0.436815 -0.865125 0.246476 facet normal -0.956969 -0.290189 -5.37408e-06 facet normal 0.466832 0.877365 0.110898 facet normal 0.0814632 -0.0817724 0.993316 vertex -4.19228 4.77321 7.82455 facet normal -6.013036e-01 -7.990207e-01 0.000000e+00 vertex -9.539299e+01 9.198978e+01 2.655000e+01 facet normal -0.360201 -0.282974 0.888921 vertex 4.83683 -4.97711 6.93683 vertex 0 -2.9 19 - Could add a voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a precision give to the base shape. Cylinder(r = setscrew_hole_radius, h = knob_height, $fn = smooth // outer.

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