Melt electrowriting to produce microfiber fragments

sponsorship: This work was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)-Project number 326998133-TRR 225 (sub-projects A04 and A07). We appreciate the German Research Foundation (DFG) State Major Instrumentation Program for funding the Zeiss Crossbeam CB 340 SEM (INST 105022/58-1 FUGG). Proof-reading by B. Tandon and I. Liashenko is appreciated. Open access funding enabled and organized by Projekt DEAL. (Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)|326998133-TRR 225, German Research Foundation (DFG) State Major Instrumentation Program|INST 105022/58-1 FUGG, Projekt DEAL)