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Examples of 3D-printed tools used in a research laboratory. (A) 3D-printed pipet holders (red). (B) 3D-printed stand for a bulky four-way valve (colorless). (C) 3D-printed alignment plate for pins, to create aligned holes when a slab of PDMS is cast (colorless). (D) Customized 3D-printed microscope stage for cell cultivation microchips (blue).
