Figure 1. Illustration of the proposed training pad.

A. Depiction of the three layers: 1) the silicone foam sheet with the various incisions representing the skin (L1), 2) the sponge representing the subcutaneous tissue (L2), 3) the last wooden layer (L3), 4) the sutures used to reinforce the connection between the first and second layers. B. The dimensions of the training pad.