150mm calibration piece
thingiverse
A calibration test for precision has been designed to push my affordable caliper to its full measurement capability, while keeping costs at a minimum. This compact tool measures 150mm along both the X and Y axes, with a height of just 3mm (the primary focus being on X-Y axis accuracy). The small square's outer dimensions are precisely 20mm by 20mm, allowing for precise measurements in a tight space.
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