Today, I learnt all about calibrating 3D printers and how I was missing out on such an awesome, easy way of ensuring my 3D printer was accurate. Using the power of a sewing needle, a ruler and of course masking tape, I was able to calibrate my printer so that it could handle very accurate, engineering products.
Firstly, you'll need this formula which will help you calculate the new number of steps per mm that you need to tell the 3D Printer.
To use the formula, you'll need an object you can print and one that won't take up much time, I used this model which had clear, expected dimensions. You are told that the cube dimensions are 20*20*20, print it with the specified details. Once you have it printed, you'll be able to use a digital calliper to measure the 'observed dimension' which can then be plugged into the formula to find the 'new number of steps per mm'.
Once you have measured all of the sides, make note of the values and head to your printer to find the current stepper values. To access these values press Control -> Motion and then scroll down until you see these values. These are your 'current number of steps per mm'. Then, you subsitute the values into the formula and you'll output the new number of steps per mm. In my case, these were my values:
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