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. 2017 Jan 19;13:6. doi: 10.1186/s13007-017-0156-8

Fig. 3.

Fig. 3

3D printed lid housing which is used to hold LED RBG strips and connector for power supply with provision for exhaust fan (a), whole assembly on 3D printed culture vessel (b). Several 3D printed units set at different light spectra stacked in a completely randomized design (c) and injection moulded culture vessels set at different light spectra stacked in completely randomized design (d)