Calibration Sphere

We've all seen, and printed, the XYZ calibration cubes. Not only do they work great to test dimensional accuracy as…
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updated April 13, 2022

Description

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We've all seen, and printed, the XYZ calibration cubes. Not only do they work great to test dimensional accuracy as well as z-wobble, ghosting and a host of other issues, but when printed in vase mode, they work great to purge filament in between color changes. However, I have found that some filament will print beautifully on the straight edges of the cube, but problems show up when printing rounded or curved surfaces.

To that end, I have made this simple, hollowed out, high resolution, 20mm sphere with a flattened bottom. The 0.8mm thick walls are meant to be printed with a 0.4mm nozzle. Printing at 40mm/sec takes just under an hour and uses about 4g of filament.

Print Settings

Printer Brand:

TEVO

Printer:

Tarantula

Supports:

No

Resolution:

0.2mm

Notes:

The Infill parameter is irrelevant, since there is no infill to be printed. You do need to set [Wall Count] to 2 or [Wall Thickness] to 0.8mm.

Category: 3D Printing Tests

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Model origin

The author marked this model as their own original creation. Imported from Thingiverse.

License