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update mini2 calibration model
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I have made a model that will test for common print artifacts that can be used for calibration of Mini 2

This model is similar to the cake model previously used but with some different features.

The first layer of the cake should be ignored as the bed temp and first layer squish will throw off the measurements. on the bottom is an indicator of X and Y axes and origin location

The second layer of the cake is a 20mm diameter circle which will be used for checking accuracy and looking for flat lining. This will be an indicator of X and Y bushings being too tight, belts or pulleys being loose

The third layer is a square that has notches to cause XY resonance (ghosting/ringing) to show up. If the ringing shows up on the notch in the X axis, it is Y axis ringing and vice versa. This will be an indicator of a vibrating axis.

The fourth layer is to check for z banding. This will indicate too tight z bushings or loose belts/pulleys

overall the print is 90mm tall which is half the z build height.

With the standard PLA print profile and 40% infill this print takes 1hr 6mins, with the high speed print profile 40%infill this print takes 45 mins.

I think the standard print profile will not show the XY ringing as well as the high speed profile will and we may want to use the high speed profile when slicing this for calibration

@oliver would you mind testing this out and providing feedback?

Event Timeline

tutley created this task.Fri, Aug 9, 2:54 PM

@tutley I have a slice created that is around 55 min to print. I'm going to talk to calibration about be on the look out for each of the issues so we can get some testing done to see how well this print will be able to show these issues. Possibly working with cluster as well will be beneficial.

@tutley Mini 2 calibration will be printing these along side the current octopus calibration and evaluating the octopus for any issues to see how those issues translate to the new file. We will be bagging both the octopus and the new calibration print in the same bag and labeling it with the serial number, date, and the name of the calibrator. Any issues with the octopus will also be included on the tag. This will continue on for approximately 2 weeks where we should be able to attain over a hundred points of data.

We will further evaluate after that.