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Can you give the actual dimensions of the parts? I 2D printed the dxf file on a 1:1 scale and the base of the MeArm Robot was relatively large compared to the one shown on the instructables. I compared the size to the arduino and the base came out to be x6 larger. P.S. I'm trying to do this project by 2D printing out the file and engraving it onto acrylic glass and then cutting it out with a rotary tool. Thanks in advance!