Vector 3D

Calilantern Calibration Tool

£9.00

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Calilantern is a calibration STL and calculator that looks a bit like a lantern, designed to help you with printer calibration and testing. Included is a 30 page written guide and an advanced calibration calculator to identify and correct scale and skew errors. If you're familiar with my first calibration STL, Califlower, then you'll feel right at home with Calilantern. It's similar, but better in so many ways as I've taken many of the things learned from that design and implemented them here.

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Calilantern Vs Califlower

While there are many little changes here are the biggest improvements you'll enjoy:

Calilantern now works in all three planes, XY, ZX and ZY where Califlower was only XY.

Iterative skew calibration allows you to input current skew settings and improve step by step.

Integrated calibration score to help you understand performance and share or compare with others.

A super detailed 30+ page written guide to help you measure, understand, and correct any errors.

More advanced measurement status monitoring to help ensure you get the right measurements.

Full support for Marlin, Klipper and RepRap Firmware.

Support for scaling size less than 100%

Change logs will now be published in the guide document so you know what changes with updates.

Still only needs a pair of callipers to measure!

This is not an update to Califlower so no free upgrades for existing purchases.

Latest Version

If you purchased Calilantern recently, and you just want the latest version, you can use the same download link in the order email, it will get you the latest version. Alternatively login and visit the downloads section of the account page.

License

The purchase entitles use of the product by a single individual. Purchase does not entitle redistribution, modification or re-sale of any kind.

Further Information

Please note: If you work with a numerical system that uses a comma (,) as the decimal separator then you will find that the spreadsheet places commas where the firmware requires a full stop/decimal point. For example, 10.45mm will become 10,45mm. See this Microsoft help document on how you can temporarily change this to use different separators https://support.microsoft.com/en-us/office/change-...

Do you need this?

There is only one printer that I know of currently that has an in-built method of skew correction which is the Prusa Research Mk3 and its variants. You could still benefit from the Califlower as a test to prove that the in-built method is working.

On the other hand, the Prusa mini, to my knowledge at this time, has no methods for correcting skew. You would need to break the appendix on the control board and write custom firmware to implement it. Again, you may benefit from the calibration flower as it could help in knowing the extent of the problem with skew, and may still assist in manual correction, it's just not as simple.

As far as I know at this time, most other printers are easy enough to flash firmware to, or have simple implementation methods for scale and skew.

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It's a print that helped very little. Confusing spreadsheet and V3D has not answered questions

It's alright but the spreadsheet is confusing at times and the skee doesn't change unless you add the numbers (whichever ones you need to put in to adjust it) are entered. Very frustrating. Also frustrating that there is a ZX field but ZX is no where else on the sheet. It will probably work but this version seems like it is the beta version. Oh...and I've tried reaching out to ask questions about what goes where in the spreadsheet and it has been 3 days only to hear crickets. I hope others have had better luck but at this point I have only wasted a bunch of filament and my most precious commodity...my time that could have been easily fixed with a response to my question before I wrote this review. But anyways good luck.

Hi James, It sounds like you could do with a helping hand. The calculator has had many successful users so its not missing anything ZX, but yes you do have to modify the printer data with the numbers provided in order for changes to take effect. I've not seen any emails from you, in orbox or spam, so perhaps the form submission didn't complete. Happy to help if you can try again.

Useful tool, from all I've seen. Prints well and the Sheet works as advertised. Haven't needed to calibrate yet, but this will definitely come in handy once I do.

Please add Bambu XY skew correction into calilantern Excel sheet

I run Bambu printers at home and at work. I purchased the califlower tool for home and the calilantern tool for work. I was disappointed to find the Bambu XY skew correction was not included in the calilantern tool. I knew the Bambu only has XY skew adjustment but I wanted to know what, if any ZX / ZY skew error the work printers have so I can make good decisions about what accuracy to expect. It would also be nice to add Z scaling error into the calilantern Excel file.

Results on FLSun V400 delta printer

I have bought the califlower in the past to calibrate my Ender3.
Recently I bought a second-hand FLSun V400 and wanted to calibrate it to get the best possible dimensional accuracy.

Delta printers are not generally recommended to print parts where dimensional accuracy matters and the documentation of calilantern also states "delta printers - Not currently tested", so I was not sure what to expect.

Well, I can happily report using calilantern did improve the accuracy of my delta printer and I'm very happy with the result so far!

My printer runs Klipper and I'm using Orca slicer.
1st pass yielded a result of 684. For the 2nd (score 867) and 3rd (score 897) pass, I only applied the skew compensation as I didn't scroll down far enough in the Excel to notice there is also a "Fix size" section.
When taking the skew results from 3rd pass and applying also the xy-size compensation (using "shrinkage" in Orca slicer) , my 4th and so far final pass yielded a score of 934. Could have come to this result with probably one less pass had I noticed the "Fix size" section earlier, entirely my mistake :-)

Next up is calibration of my Ender3 and Ratrig V-Minion using calilantern.

Thanks Adam for coming up with these great calibration tools!

Great calibration tool!!

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Calilantern Calibration Tool