A flexible pressure mapping device comprising: - a flexible upper sheet and a flexible lower sheet facing one another; - a flexible middle sheet extending between the upper sheet and the lower sheet ; - a plurality of force sensors comprising at least one upper electrode on the upper sheet and at least one lower electrode on the lower sheet , said at least one upper electrode facing said at least one lower electrode and being separated from said lower electrode at least by the middle sheet ; - at least one upper conductive lead on the upper sheet , electrically connected to the at least one upper electrode , and at least one lower conductive lead on the lower sheet , electrically connected to the at least one lower electrode ; - control and transmit electronics electrically connected to the at least one upper conductive lead and to the at least one lower conductive lead , wherein the upper sheet comprises a plurality of upper openings , and the lower sheet at least partially overlaps at least one of said upper openings , the lower sheet comprising a plurality of lower openings , the device comprising at least one double-opening region , in which at least one upper opening of the plurality of upper openings or one lower opening of the plurality of lower openings overlaps at least partially one middle opening of the middle sheet , no opening being provided on one of the lower sheet and upper sheet in said at least one double-opening region, the device further comprising an upper overcoat sheet and a lower overcoat sheet both extending in a horizontal plane (X, Y) and respectively arranged on top of the upper sheet and below the lower sheet . - a flexible upper sheet and a flexible lower sheet facing one another; - a flexible middle sheet extending between the upper sheet and the lower sheet ; - a plurality of force sensors comprising at least one upper electrode on the upper sheet and at least one lower electrode on the lower sheet , said at least one upper electrode facing said at least one lower electrode and being separated from said lower electrode at least by the middle sheet ; - at least one upper conductive lead on the upper sheet , electrically connected to the at least one upper electrode , and at least one lower conductive lead on the lower sheet , electrically connected to the at least one lower electrode ; - control and transmit electronics electrically connected to the at least one upper conductive lead and to the at least one lower conductive lead , wherein the upper sheet comprises a plurality of upper openings , and the lower sheet at least partially overlaps at least one of said upper openings , the lower sheet comprising a plurality of lower openings , the device comprising at least one double-opening region , in which at least one upper opening of the plurality of upper openings or one lower opening of the plurality of lower openings overlaps at least partially one middle opening of the middle sheet , no opening being provided on one of the lower sheet and upper sheet in said at least one double-opening region, the device further comprising an upper overcoat sheet and a lower overcoat sheet both extending in a horizontal plane (X, Y) and respectively arranged on top of the upper sheet and below the lower sheet . <EOS>