100 micron constrained flow channel
thingiverse
This was designed in trueSpace and printed on a Form1 at lowest resolution. The center channel is constrained to 100 microns. May be able to get down to 25-50 micron flow channel. Will try to buff or grind optically clear side for particle counting. An arduino UNO and a sparkfun light sensor (0.1 lux) might do the trick for a simple particle counter. Could use sheath fluid to narrow the center flow even more. Might even roughen the center lumen then stretch it on the Z-axis and twist to narrow the center. This might give an interesting vortex property to the channel flow. Who knows, 3D printable Flow Cytometer?
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