Fig. 1.

Diagram of the components of a prototype 3-D printed freezing device. A: Upper and lower freezing platforms (140 × 140 mm, L × W) with 50-columns (40-mm columns not shown). B: Raft lifter with polystyrene raft (152 × 152 mm × 13, L × W × D). The raft had a center-cut square that could be inserted or removed depending on desired freezing rates. C: Cut-away view of the nestable insulated shipper with insulated bio foam container.