--- title: "SOLIDWORKS MBD Tip: Hole Callouts" description: In MBD implementations, it is often asked how to dimension and tolerance internal or external diameters in 3D in a way that is similar to 2D drawings. --- [![logo-tan](https://info.originintl.com/hs-fs/file-2255150996-png/Origin-img/logo-tan.png)](https://info.originintl.com/) [Back to News and Events](https://info.originintl.com/resources/news-events) # Origin News & Events [All Posts](https://info.originintl.com/resources/news-events/all) ## [SOLIDWORKS MBD Tip: Hole Callouts](https://info.originintl.com/resources/news-events/solidworks-mbd-tip-hole-callouts) Posted on Thu, Aug 11, 2016 - [Tweet](https://twitter.com/share) For mechanical engineers and designers, holes are one of the most frequently used features in engineering design. They are often used to mount with other components or to support shafts. In model-based definition (MBD) implementations, it is often asked how to dimension and tolerance internal or external diameters in 3D in a way that is similar to 2D drawings. [Read more](http://www.engineersrule.com/top-solidworks-mbd-tips-tricks-hole-callouts/)... By Oboe Wu, SOLIDWORKS - June 13, 2016 Tags: [MBD](https://info.originintl.com/resources/news-events/topic/mbd) - [Contact Us](https://info.originintl.com/contact/) - [Careers](https://info.originintl.com/company/careers/) - [Press Room](https://info.originintl.com/resources/news-events) - [Privacy Policy](https://info.originintl.com/privacy-policy/) - [RSS](https://info.originintl.com/CMS/UI/Modules/BizBlogger/rss.aspx?tabid=224947&moduleid=405729&maxcount=25&t=ef217bd0-8562-4246-83fb-64eb6a91fb80) [![logo-tan](https://info.originintl.com/hs-fs/file-2255150996-png/Origin-img/logo-tan.png)](https://info.originintl.com/) © Origin International Inc. All rights reserved. Richmond Hill, ON, Canada 416 945-2553 | 800 269-2509 toll free