# R3 - NEMA 23 - 60x60 (60BYGH301B) motor mount

**URL:** <https://rootcnc.discourse.group/t/r3-nema-23-60x60-60bygh301b-motor-mount/293>\
**Category:** Advice\
**Created:** [25 April 2023 10:40 UTC](https://rootcnc.discourse.group/t/r3-nema-23-60x60-60bygh301b-motor-mount/293 "2023-04-25T10:40:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Ard1966](https://avatars.discourse-cdn.com/v4/letter/a/c4cdca/32.png) [@Ard1966](https://rootcnc.discourse.group/u/Ard1966)\
**Post date:** [25 April 2023 10:40 UTC](https://rootcnc.discourse.group/t/r3-nema-23-60x60-60bygh301b-motor-mount/293/1 "2023-04-25T10:40:02Z")

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Hi there, I want to build the R3 and have 4 NEMA 23 60BYGH301B laying around but these measure 60x60.  
Is there a motor mount STL file available?

Best regards,  
Ard

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**Author:** ![sailorpete](https://yyz2.discourse-cdn.com/free1/user_avatar/rootcnc.discourse.group/sailorpete/32/7_2.png) [@sailorpete](https://rootcnc.discourse.group/u/sailorpete)\
**Post date:** [25 April 2023 22:27 UTC](https://rootcnc.discourse.group/t/r3-nema-23-60x60-60bygh301b-motor-mount/293/2 "2023-04-25T22:27:37Z")

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Hey Ard,

I would recommend looking at the Root 4 machine for Nema 23s.

Is 60mm a standard Nema motor size?

I’ve had a quick look at it should work fine for the Y axis but the width might be an issue for the X & Z axis.

Here is the link to the STL files for a standard Nema23

> <https://github.com/RootCNC/Root-3-CNC/blob/master/STL_Files/Y%20Carrage/NEMA23%2050mm%20Spacer.STL>

> <https://github.com/RootCNC/Root-3-CNC/blob/master/STL_Files/X%20Carriage/Motor%20Mount%20NEMA23.STL>

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<div class="post-metadata">

**Author:** ![Ard1966](https://avatars.discourse-cdn.com/v4/letter/a/c4cdca/32.png) [@Ard1966](https://rootcnc.discourse.group/u/Ard1966)\
**Post date:** [26 April 2023 05:00 UTC](https://rootcnc.discourse.group/t/r3-nema-23-60x60-60bygh301b-motor-mount/293/3 "2023-04-26T05:00:18Z")

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Hey Pete,

Thanks a lot for your quick reply.

I will have a look at your R4 machine first.  
Im not sure if my nema’s are standard but they are 60x60 (the bolt holes are in the correct location for your parts).  
I already found a YouTube video to change the original R3 parts.

Best regards,  
Ard

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