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Many Autodesk® AutoCAD® users have reference files set up in World coordinates. Attaching such files when in a different User Coordinate System (UCS) can result in the contents appearing at incorrect locations.

The RefUcsSpy plugin can be used within AutoCAD to detect when reference files are being attached when the UCS is not ""World"". If it is not, the user will be prompted whether they would like to temporarily set the UCS to World for the duration of the attach command.

This plugin was first published as an ADN Plugin of the Month. The plugin has been provided with the complete source code needed to build the application, with the intention of encouraging users of Autodesk software to use programming to tailor the products they use to their specific business needs.

More information regarding this plugin can also be found on Kean Walmsley's blog about AutoCAD programming, Through the Interface.

About This Version

Version 1.1.1, 3/24/2021
Added support to AutoCAD® 2022 (No change in version number).

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Customer Reviews

9 reviews
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  • Great app!
    Rebecca Yu | August 12, 2022 Verified Download (What's this?)

    Love this app, just looking for the 2023 version now :)

  • Amazing Tool
    Jose Costa | April 05, 2019

    Need a compatible version for autocad 2020

    Thank you!

  • Muy Util
    Omar Garcia | January 04, 2018 Verified Download (What's this?)

    Excelente herramienta recomendada

  • Fantastic!
    Drew Comer | November 29, 2017 Verified Download (What's this?)

    I ALWAYS forgot to change the UCS to world. Saved a ton of time and hassle with this app. Absolutely love it!

  • Need v2017
    David Erel | January 17, 2017 Verified Download (What's this?)

    Have loved using this app in the past, but have moved on to v2017 and am missing the app a lot. Please update it!!

  • Perfect!
    Tanel Prank | June 27, 2016 Verified Download (What's this?)

    Has worked perfectly in AutoCAD versions 2014-2016. Please provide an update for 2017

  • Works Well and is unobtrusive
    Bruce Robertson | October 31, 2014 Verified Download (What's this?)

    Works Well and is unobtrusive. It will save you time by letting you insert XREFs even when your using a UCS!

  • Muy util
    Juan Carlos Velez | February 03, 2014 Verified Download (What's this?)

    Muy util y ahorra mucho tiempo al trabajar con Xref

  • Super!
    Eddy Lucas | August 08, 2013 Verified Download (What's this?)

    Nooit meer vergeten om het UCS terug te zetten in WCS.

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