1. Apparatus for bending a worksheet, comprising: one tool; an other tool working cooperatively with said one tool for bending a worksheet placed between said one and other tools; control means for controlling the relative movement of said one and other tools to bend said worksheet placed therebetween; and sensor means positioned proximate to said one and other tools for non-contactedly detecting the position of said worksheet as said worksheet is placed between said one and other tools; wherein said sensor means outputs a signal to said control means to provide thereto a feedback of the placement of said worksheet.