Thingiverse
Tolerance calibration shape
by JoeMulkerins
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It takes high calibration to print this shape correctly. If printed with zero infill, or if under extruding, the side that narrows to thin edge will have a very different length/width compared to the opposite side (circular hole side).
This shape was created to be used similar to the calibration cube. I find that I get more information from the XYZ lettering that is usually scripted on the sides so I figured a little more detail in a simple shape would be good. The size is 20 x 20 x 20mm, and uses less filament than the cube. With intention of keeping the design simple I found that the shape can give a lot of information about a printer's performance. The features I have included in to the design are as follows:
Initial Orientation
45 degree angle (step up)
45 degree overhang
90 degree x 5 mm vertical (for view of layers)
2.5 mm walls
Decrease in wall thickness to zero thickness edge (top of square!)
90 degree vertical rounded edge (step up)
If Placed Up-side-down:
This shape was created to be used similar to the calibration cube. I find that I get more information from the XYZ lettering that is usually scripted on the sides so I figured a little more detail in a simple shape would be good. The size is 20 x 20 x 20mm, and uses less filament than the cube. With intention of keeping the design simple I found that the shape can give a lot of information about a printer's performance. The features I have included in to the design are as follows:
Initial Orientation
45 degree angle (step up)
45 degree overhang
90 degree x 5 mm vertical (for view of layers)
2.5 mm walls
Decrease in wall thickness to zero thickness edge (top of square!)
90 degree vertical rounded edge (step up)
If Placed Up-side-down:
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