# Tutorial Sizing issue
**URL:** https://discourse.shapr3d.com/t/tutorial-sizing-issue/20964
**Category:** Modeling Questions
**Created:** [August 17, 2022, 7:42pm UTC](https://discourse.shapr3d.com/t/tutorial-sizing-issue/20964 "2022-08-17T19:42:00Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Duder](https://discourse.shapr3d.com/u/Duder)
#### Post date: [August 17, 2022, 7:42pm UTC](https://discourse.shapr3d.com/t/tutorial-sizing-issue/20964/1 "2022-08-17T19:42:00Z")
I’ve been trying to complete the bracket mount tutorial, but I noticed when the video drags out 15mm, it fits the part fine. When I drag it out, I need 30mm in order to match the view on the tutorial. I can upsize it but I wanted to know if I’m doing something wrong and how to correct it. My zoom is set to 5mm as tutorial requests.
[Example] [Imgur: The magic of the Internet](https://imgur.com/tOkicHf)
This shows both a 15 and 30mm diameter circle. The video clearly shows 15 but it ends up much larger.
[Tutorial sizing](https://imgur.com/LBMvq4q)
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### Author:  [@KPeter](https://discourse.shapr3d.com/u/KPeter)
#### Post date: [August 19, 2022, 2:27pm UTC](https://discourse.shapr3d.com/t/tutorial-sizing-issue/20964/2 "2022-08-19T14:27:51Z")
Hey @Duder, is it possible that the tutorial mentions radius, while you are using diameter?
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### Author:  [@Duder](https://discourse.shapr3d.com/u/Duder)
#### Post date: [August 19, 2022, 3:14pm UTC](https://discourse.shapr3d.com/t/tutorial-sizing-issue/20964/3 "2022-08-19T15:14:54Z")
Yeah totally. But in the video, they seemed to drag it out the same, and then it snapped larger. It was odd. TY for the reply.