Fig. 1.
Cryo-multi-grid-box system. (A) A photo of cryo-multi-grid-box system (red circle) in a plunge freezer machine. (B) A drawing of each component of the cryo-multi-grid-box system: shell, funnel holder, and multi-grid-box container. The cryogen cup, LN2 dewar, and mortise are the existing components in the freezer machine. (C) Detailed 3D illustration of the multi-grid-box container in top and side views (up), and funnel holder in top and side views (down). (D) A photo of the assembled cryo-multi-grid-box system. Dimension, mm. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)