# Design part to fabrication part

**URL:** <https://forum.dynamobim.com/t/design-part-to-fabrication-part/30105>\
**Category:** Uncategorized\
**Created:** [December 28, 2018, 6:08am UTC](https://forum.dynamobim.com/t/design-part-to-fabrication-part/30105 "2018-12-28T06:08:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![SHIBUJOSE](https://avatars.discourse-cdn.com/v4/letter/s/c77e96/32.png) [@SHIBUJOSE](https://forum.dynamobim.com/u/SHIBUJOSE)\
**Post date:** [December 28, 2018, 6:08am UTC](https://forum.dynamobim.com/t/design-part-to-fabrication-part/30105/1 "2018-12-28T06:08:28Z")

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i started to create a dynamo to convert design duct to fabrication part. but i got a warning as shown below.  
![image|654x327](upload://o4LLstiMKGoQPldCe9dePr[duct to fab.dyn](https://forum.dynamobim.com/uploads/short-url/ghkFZAc5uUqfwbWWwaQnqKdg2gd.dyn) (3.1 KB)  
jFPzw.png)

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/5/d/5d8b706c37f978b1adf208115b09a669a1030879.png)

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**Author:** ![kennyb6](https://avatars.discourse-cdn.com/v4/letter/k/7ba0ec/32.png) [@kennyb6](https://forum.dynamobim.com/u/kennyb6)\
**Post date:** [December 28, 2018, 6:31am UTC](https://forum.dynamobim.com/t/design-part-to-fabrication-part/30105/2 "2018-12-28T06:31:27Z")

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First image:  
 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/a/8/a8be39086709118edc866c08c72a1fc617d7eaae.png)

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<div class="post-metadata">

**Author:** ![SHIBUJOSE](https://avatars.discourse-cdn.com/v4/letter/s/c77e96/32.png) [@SHIBUJOSE](https://forum.dynamobim.com/u/SHIBUJOSE)\
**Post date:** [December 28, 2018, 6:37am UTC](https://forum.dynamobim.com/t/design-part-to-fabrication-part/30105/3 "2018-12-28T06:37:21Z")

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do you know what is the error