# Butterfly Test: Pics of Issue

**URL:** <https://forum.formlabs.com/t/butterfly-test-pics-of-issue/20811>\
**Category:** Form 2\
**Created:** [October 15, 2018, 6:49pm UTC](https://forum.formlabs.com/t/butterfly-test-pics-of-issue/20811 "2018-10-15T18:49:36Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![eaelec](https://avatars.discourse-cdn.com/v4/letter/e/13edae/32.png) [@eaelec](https://forum.formlabs.com/u/eaelec)\
**Post date:** [October 16, 2018, 1:49pm UTC](https://forum.formlabs.com/t/butterfly-test-pics-of-issue/20811/4 "2018-10-16T13:49:57Z")

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In my experience black V4 problems tend to be caused by supports snapping off at the base, I can’t see any snapped supports here, but I do see typical grey V4 “curling” problems. More about grey V4 here:

> [@Grey V4 versus V3?](http://forum.formlabs.com/t/grey-v4-versus-v3/19901):
>
> I just switched from V3 to V4, I seem to be seeing more failures. is it just a run of bad luck on the first few prints or does V4 require more support than V3?

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