synth_tools

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0.528256 -0.643709 0.553701 vertex -9.04239 4.11794 2.94279 vertex 9.04239 -4.11794 2.94279 facet normal -0.338761 0.0731236 0.938026 facet normal 0.643675 -0.528237 0.553758 facet normal 0.705407 0.0694492 0.705392 facet normal 0.302869 -0.92061 0.246468 facet normal 9.575356e-16 -1.000000e+00 1.030694e-14 facet normal 0.314572 0.147387 0.937721 vertex -7.0162 -3.85359 19.9497 facet normal 8.099862e-001 5.864490e-001 -0.000000e+000 vertex 5.430013e+000 4.519711e+000 9.983999e+000 vertex 4.517993e+000 -5.507795e+000 2.496000e+001 vertex 5.576935e+000 -1.102081e+000 1.747200e+001 facet normal 0.0726013 0.0570302 0.995729 facet normal -0.598691 -0.491338 0.632579 vertex 6.18591 -6.18591 5.33536 facet normal -8.915778e-02 5.766338e-03 -9.960008e-01 vertex -1.063449e+02 9.665134e+01 1.290579e+01 facet normal -0.0978932 0.995197 0 facet normal 7.241379e-01 6.896552e-01 -0.000000e+00 facet normal -5.080608e-01 -8.613212e-01 0.000000e+00 vertex -1.008634e+02 9.260606e+01 3.455000e+01 vertex -9.390495e+01 9.260618e+01 1.055000e+01 facet normal -3.566057e-01 -9.342550e-01 0.000000e+00 vertex -9.151814e+01 9.473923e+01 3.455000e+01 vertex -1.032503e+02 9.473903e+01 2.655000e+01 facet normal 4.781977e-001 8.392516e-001 2.588120e-001 vertex 4.672975e-002 -5.856013e+000 2.473857e+001 facet normal 0.0221491 -0.0970093 0.995037 vertex 3.43863 8.76148 20.0916 vertex 8.1846 -1.23363 19.9688 facet normal 5.035335e-001 2.242198e-003 8.639728e-001 vertex 4.159094e+000 -1.480304e-002 2.491820e+001 facet normal -0.114495 -0.30557 0.945261 facet normal -9.960546e-001 -4.761063e-003 8.861465e-002 vertex 4.034431e+000 8.058850e-001 2.470218e+001 facet normal 0.241719 -0.796857 0.553706 facet normal -0.0127296 -0.705404 0.708692 vertex 7.31348 -0.673589 7.09873 facet normal -2.953219e-001 -5.172258e-001 8.032823e-001 vertex -5.693845e-003 5.917491e+000 2.490742e+001 facet normal 0.573948 0.598005 0.559441 facet normal 0.807217 -0.0635208 0.586827 vertex 1.95005 -0.326085 19.9 vertex 2.64948 -1.75052 19.9 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: front, back How to use for rounding teh top edge. [mm] // Number of faces around the knob? Knurled = 1; // [0:No, 1:Yes] // Would you like a divot on the top surface of the stem. [mm] stem_height = 10; //knob_radius top_row = height - v_margin - title_font; left_rib_x = 0; // [0:No, 1:Yes] ////////////////////////// //Advanced settings ////////////////////////// RingThickness = 5*1; DivotDepth = 1.5*1; DistanceBetweenKnurls = 3*1; TimerKnobConst = 1.8*1; PI=3.14159265*1; KnobMajorRadius = KnobDiameter/2; KnobMinorRadius = KnobDiameter/2 * (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) cube([2, 2, KnobHeight+.001], center=true); cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); if (RingMarkings>0 for (i=[0 : RingMarkings-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = smooth } module make_surface(filename, h) { for (a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16] if (h < four_hole_threshold) .

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