Repeat-O-Meter for Surface Plate Calibration

#INTRODUCTION

Years ago when I first saw the Repeat-O-Meter, it seemed to me a very simple device that could be easily built. Why then did they retail for over fifteen hundred dollars, for such a simple device?

So, based on photographs of the actual device, and Tom Lipton's improvement of various features, I've produced my own version of this device which anyone with a basic shop shoulld be able to build.

I do not recommend 3D-printing this in plastic, I place this here anticipating a time when we will have cheap laser-sintering in various metal materials.

It also requires a basic indicator, and the brass-bushing which holds the indicator can be modified for any indicator mount size. There is currently a mock-up indicator shown in the model, for demonstration purposes.

PDF files for all screws required are included.

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# USAGE

The basic way that this device is used is on a flat surface plate, to find local dips or high-spots. Using this can tell you if you need