# A nice free calibration tool....

**URL:** <https://forum.makewithtech.com/t/a-nice-free-calibration-tool/2848>\
**Category:** 3d Printing / Slicers / Setup / Problems\
**Created:** [December 12, 2020, 2:12pm UTC](https://forum.makewithtech.com/t/a-nice-free-calibration-tool/2848 "2020-12-12T14:12:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Vassili\_Finellis](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.makewithtech.com/vassili_finellis/32/12_2.png) [@Vassili\_Finellis](https://forum.makewithtech.com/u/Vassili_Finellis)\
**Post date:** [December 12, 2020, 2:12pm UTC](https://forum.makewithtech.com/t/a-nice-free-calibration-tool/2848/1 "2020-12-12T14:12:01Z")

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[http://retractioncalibration.com/?fbclid=IwAR0\_VafP2tnm9Jd6\_4P-pEbklFk2VJE4AvdIRudTnVHZUx7IlqnswX3\_CZ4](http://retractioncalibration.com/?fbclid=IwAR0_VafP2tnm9Jd6_4P-pEbklFk2VJE4AvdIRudTnVHZUx7IlqnswX3_CZ4)

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**Author:** ![Alan](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.makewithtech.com/alan/32/26_2.png) [@Alan](https://forum.makewithtech.com/u/Alan)\
**Post date:** [December 12, 2020, 3:04pm UTC](https://forum.makewithtech.com/t/a-nice-free-calibration-tool/2848/2 "2020-12-12T15:04:44Z")

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What results have you obtained using this tool (I wish the site let you add start and end gcode, like TeachingTech’s site)? I tried it and the results were ambiguous. It might be my printers tho.

Thanks!

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**Author:** ![Ender5r](https://avatars.discourse-cdn.com/v4/letter/e/b4bc9f/32.png) [@Ender5r](https://forum.makewithtech.com/u/Ender5r)\
**Post date:** [December 12, 2020, 4:37pm UTC](https://forum.makewithtech.com/t/a-nice-free-calibration-tool/2848/3 "2020-12-12T16:37:25Z")

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An interesting project. My 1st thought was “that’s a lot of retraction!”. 🙂