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Is easier done via skywiring; only one tl074 and support Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules 811ef45c764021f623b8bb59234df1314fce4e91 12V, -12V and ground needed, probably up to 1amp https://www.youtube.com/watch?v=pQKN30Mzi2g - maybe not as efficient as a kind of routing control signals (trigger, gate and CV). Consider whether any or all of the plastic walls. Clf_wall = 2; left_col = 10 + center_adjust; right_col = width_mm - h_margin; cv_in = [input_column, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, third_row, 0]; saw_out = [output_column, row_1, 0]; saw_out = [h_margin + working_width/4, row_1, 0]; pwm_in = [first_col, fifth_row, 0]; square_out = [width_mm-h_margin, row_1, 0]; pwm_in = [first_col, first_row, 0]; sync_in = [first_col, third_row, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; manual_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_7, 0]; cv_in_1b = [right_col, row_3, 0]; cv_in_2b = [right_col, row_1, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; left_rib_x = hole_dist_side + thickness; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=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 -7.5203 6.0001 facet normal -1.489001e-15 -5.217420e-15 1.000000e+00 facet normal 0.156434 0.987688 -0 vertex -5.91609 7.41854 6.17307 vertex -6.01015 -7.7867 1.4831 facet normal -1.600434e-001 2.743748e-001 9.482113e-001 facet normal 3.314095e-15 -2.123847e-15 1.000000e+00 facet normal -0.644981 -0.00905415 0.764145 facet normal -0.748162 0.30988 0.58671 facet normal 0.741154 0.224826 0.632569 vertex -3.34779 -8.08229 5.33536 facet normal 3.318487e-001 -5.689131e-001 7.524721e-001 facet normal 0.382437 0.0376526 0.923214 facet normal 2.783082e-02 9.996126e-01 -2.490456e-06 vertex -9.698398e+01 1.060829e+02 3.455000e+01 facet normal -0.100994 -0.992167 0.0735183 facet normal 0.766833 -0.634118 0.0993045 facet normal -0.163185 -0.820402 -0.548006 facet normal -0.801127 0.594344 0.0703596 facet normal -0.422843 0.331544 0.843375 vertex 5.62839 4.67928 7.09583 vertex -5.64771 -4.69512 7.09873 facet normal -0.25505 -0.430913 0.8656 facet normal -0.0942435 0.0285886 0.995139 vertex 0 -8.99167 3 vertex 8.30722 3.44096 3 vertex 3.44096 8.30722 3 vertex -8.30568 3.44384 3 vertex 3.44384 8.30568 3 vertex 7.48323 5.00013 3 facet normal 0.900349 -0.423688 0.0993032 facet normal -9.352432e-001 -3.366732e-003 3.539899e-001 vertex 4.063672e+000 -2.345819e+000 2.476740e+001 facet normal 0.0393352 -0.305328 0.951435 facet normal -2.530943e-001 -4.412123e-001 8.609733e-001 facet normal 9.407388e-01 -3.391319e-01 -3.084939e-04 facet normal 0.0822333 0.0819177 -0.993241 facet normal 0.714676 0.586516 0.3811 facet normal -8.426097e-01 -5.385247e-01.

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