# Holey Triangular Calibration

**URL:** <https://forums.maslowcnc.com/t/holey-triangular-calibration/6240>\
**Category:** Technical Details\
**Created:** [August 29, 2018, 7:25pm UTC](https://forums.maslowcnc.com/t/holey-triangular-calibration/6240 "2018-08-29T19:25:54Z")\
**Posts on this page:** 1\
**Showing post:** 246

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**Author:** ![c0depr1sm](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/c0depr1sm/32/9614_2.png) [@c0depr1sm](https://forums.maslowcnc.com/u/c0depr1sm)\
**Post date:** [February 25, 2019, 3:25am UTC](https://forums.maslowcnc.com/t/holey-triangular-calibration/6240/246 "2019-02-25T03:25:31Z")

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Here is a description of [what, why, when](https://forums.maslowcnc.com/t/sled-will-not-go-to-top-of-board-same-parts-are-cut-different-sizes/8646/8) about the “Unable to find valid machine position” case

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_[View the full topic](https://forums.maslowcnc.com/t/holey-triangular-calibration/6240)._