Customizable delta calibration rings
thingiverse
I wanted to test how well I could print over the entire bed of my tevo little monster so I created a quick little openscad program to generate these rings for testing. Each ring is 3 nozzle diameters wide a 3/4 of a nozzle diameter tall. With my default slicer settings that makes this a single layer test and only uses a little over 2m of filamnet.
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With this file you will be able to print Customizable delta calibration rings with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Customizable delta calibration rings.