This project is not for the average DIYer as it requires access to a CNC machine to cut the pattern in the ply. But if you have a very good hand and an equally good jigsaw you should have no difficulty either. http://diyprojects.ideas2live4.com/2014/09/02/diy-knife-block/ The last option would be a good, old-fashioned fret saw but we’re guessing there are not too many of those in your tool kit :) Would you like to have one in your kitchen?
DIY Robotic Arm Kit Building Guide
People often searches with Open Source DIY Robotic Arm Kit – factually, this is Arduino like odd way of thought. If you can make a scissor to cut a paper with servo motors following a line – that is a robot.