Method for producing a tool including a sheet

A method for producing a tool comprising a sheet, the method comprising the steps of:

• providing a first paper sheet;
• attaching first and second plastic layers each to one side of said first paper sheet;
• upon said attaching, placing said second plastic layer on a bench, and placing a first side of a plastic object on said first plastic layer;
• pressing a metal object on a portion of a second side of said plastic object;
• vibrating said metal object parallel to said first plastic layer together with said pressing thereon,
• thereby said second side of said plastic object produces friction with said metal object, being sufficient for avoiding motion in relation thereto, and said second plastic layer is sufficiently thick to produce friction with said bench for sufficiently avoiding motion in relation thereto,
• thereby said second plastic layer provided for said avoidance of the motion between said second plastic layer and said bench, provides that said vibration of said metal object rubs a rubbed portion of said first side of said plastic object on a rubbed portion of said first plastic layer and in relation thereto to heat said rubbed portions for melting thereof;
• and
• ceasing said vibrating, thereby ceasing heating said rubbed portions, wherein said first plastic layer is sufficiently thick for connecting said rubbed portions upon said melting and upon said heating said rubbed portions.