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Nano LED RGB Wurth PLCC-4 LED RGB NeoPixel Nano PLCC-4 3.5mm x 3.5mm PLCC4 Addressable RGB LED, clear, SMD, https://www.lumex.com/spec/SML-LX0404SIUPGUSB.pdf Mid Power LED, Luminus MP-3030-1100, 3.0x3.0mm, 816mW, https://download.luminus.com/datasheets/Luminus_MP3030_1100_Datasheet.pdf OSRAM, reverse-mount LED, SMD, 0404, 1x1x1.65mm, https://www.we-online.com/catalog/datasheet/150044M155260.pdf Electrosmith Daisy Seed Microcontroller Module ARM Cortex-M7 Audio Codec ESP8266 development board Common footprint for the arrow's shaft size. // Scale factor for the sake of code complexity. Odd values are -=1 difference() { difference() { 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 8.7482 5.33536 facet normal -0.768461 -0.630682 0.108208 facet normal 0.421012 0.192238 0.88645 facet normal 0.630632 -0.768498 0.108232 facet normal -0.714669 0.586516 0.381113 facet normal -0.95132 0.288584 0.108209 vertex -1.87874 -5.48554 21.335 facet normal 7.012965e-01 6.273328e-03 7.128421e-01 facet normal -0.00133256 0.116082 0.993239 vertex -7.18529 -1.05962 7.92322 vertex 1.0528 7.12884 7.81019 facet normal 0.0972815 -0.989353 0.108241 facet normal 0.338904 0.0729974 0.937985 vertex 0.26034 7.27143 6.89409 facet normal -0.634395 0.773009 0 facet normal 9.901788e-01 1.398071e-01 0.000000e+00 vertex -9.059519e+01 9.652586e+01 1.055000e+01 facet normal -0.279017 0.0846398 0.956549 vertex 1.57536 -7.91987 5.88782 facet normal -0.00709116 -0.09928 0.995034 vertex 0.505698 -7.98874 19.9508 vertex 0.703367 -9.38579 20.0916 vertex 4.9862 -6.2525 19.9501 facet normal -4.766077e-001 -8.349535e-001 2.751323e-001 facet normal -0.77255 0.634852 0.0113593 vertex -4.80177 -3.28327 21.335 facet normal -0.367707 -0.00384412 0.929934 facet normal 0.366306 0.92519 0.099216 facet normal 9.652727e-01 -2.864328e-03 2.612287e-01 vertex -9.050454e+01 1.008513e+02 1.046577e+01 facet normal 0.0817378 0.828666 0.553744 facet normal -4.491409e-001 -7.844445e-001 4.276908e-001 facet normal -8.332533e-02 9.965224e-01 2.477165e-06 vertex -9.778416e+01.

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