Researchers successfully printed cellulose structures with resolutions down to 30 μm using specialized micro-nozzles.
A study on using cellulose acetate (CA) to 3D-print high-resolution structures. 22044.rar
In telecommunications engineering, (specifically R2-2204483) refers to technical discussion papers within the 3GPP mobile standards body. a "crack" or "mod" site)
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(PDF) Direct ink writing of high-resolution cellulose structures