The ornamental design for a device for preparation of gelatin-based products, as shown and described.
FIG. 1 is a front-right perspective view of a design for a device for preparation of gelatin-based products with a top front access panel in a closed position.
FIG. 2 is a front view of the device for preparation of gelatin-based products of FIG. 1.
FIG. 3 is a back view of the device for preparation of gelatin-based products of FIG. 1.
FIG. 4 is a left side view of the device for preparation of gelatin-based products of FIG. 1.
FIG. 5 is a right side view of the device for preparation of gelatin-based products of FIG. 1.
FIG. 6 is a top view of the device for preparation of gelatin-based products of FIG. 1.
FIG. 7 is a bottom view of the device for preparation of gelatin-based products of FIG. 1; and,
FIG. 8 is a front-right perspective view of the device for preparation of gelatin-based products of FIG. 1 with the top front access panel in an open position.
The solid lines in FIGS. 1-8 illustrate a device for preparation of gelatin-based products according to the present invention. The broken lines form no part of the claimed design.