50x50 calibration axis
Description
Part for calibration of steps/mm. Calibration cube is great print for starting, rough adjustments of many print settings, but since it's 20x20x20mm it's not really that good for adjusting steps/mm. For better results, you need longer parts (preferably full dimensions of build plate) which usually end up being 100mm long. that either takes up a lot of plastic or is quite wobbly due to low number of wall passes and no top/bottom (like the parts my coworkers use). I created three spokes to resemble the small coordinate system. Each "axis" is 50mm long and marked with corresponding letter. Z-axis letter is next to the vertical spoke on x-axis because I thought it'd be a better place for it rather than on its axis (might change that in newer version). Axis are 10mm thick (10x10 square). To get the new steps per millimeter use the following formula: *((scale x 50mm) / measured mm) x current steps/mm = new steps/mm* *scale = scale in slicer [%] / 100* Print settings are not really important. Mine were: 215°C for extruder, 55°C for heatbed, printed with brim bacause of sharp edges (need to address that) Speed 55mm/s (my printer settings suck above 60mm/s printing) ---really nothing special. Use your usual settings for any material used. MEASURE WHEN HOT AND WHEN IT COOLS DOWN TO GET SHRINKAGE INFORMATION AS WELL. I hope it helps. Happy making!
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