Not on our standard printer. The Harper printer can theoretically; 50 micron resolution. Sorum took it over and is using it to print neurosurgery stuff.
we have used resin printers to make fluidic devices with millimeter-scale channels. All the proper microscale stuff on campus is done with photoetching in PDMS
I've been working to make microwell arrays with mine, initial tests with a 0.4 mm nozzle and printing a mold in PLA with 0.08 mm layer height was pretty promising, waiting on a 0.2 mm nozzle to see if I can get finer features reliably
There are already links to applications of "normal" printers in the thread, we used a more fancy two-photon printer (resolution ~1-2 microns, if I am correct) to print a nozzle of the microfluidic device. Such printers are not common, but kind in mind that it is an option for complicated cases.
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