Re: [DIYbio] Re: At home fabrication of micron scale microfluidics

On 03/01/2015 08:35 PM, Peter Shankles wrote:
> With the 3D printer we also have the ability to write channels in 3D and overlap channels. I attached a few photos of a chip we
> did to show this.

Looks nice. You can get down to 100 micron channel size now? Cured PDMS can probably hold in 3 atmospheres of
pressure for moving fluids around... and you can control channel width for higher volume/lower-drag wherever
you can afford the extra volume. Looks like PDMS gives low amounts of air pockets compared to ordinary
rep-rap extruded plastic filament -- is your printer squirt driven by syringe, piezo, positive displacement pump
near the print nozzle?

Is anyone taking on the gcode problem of discontinuities yet?

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