Fig. 5.

Assembly of module 4

(a) neodymium magnet in base for later secure seating of the container

(b) shown course of wiring of peltier elements in base

(c) shown course of wiring for motorization in base

(d) base

(e) overhang of the container with printed recesses for frame-mounting on a 3D-printer

(f) cutouts for neodymium magnets for a later secure fit on base

(g) container

(h) stainless steel tubes

(i) pestle on the storage area of connection device for the laboratory power supplies

(j) connection device for the laboratory power supplies

(k) connected laboratory power supply with presets: 2.0 A and 12.0 V.