# \#nurbs

**URL:** https://forums.chaos.com/tag/nurbs/1285.md

[Latest](https://forums.chaos.com/latest.md) · [Categories](https://forums.chaos.com/categories.md) · [Tags](https://forums.chaos.com/tags.md)

---

## [Nurbs trim issue](https://forums.chaos.com/t/nurbs-trim-issue/43598)

<div class="topic-metadata">

**Author:** [@AardmanCGI](https://forums.chaos.com/u/AardmanCGI)\
**Replies:** 4\
**Last updated:** [December 20, 2012, 10:23am UTC](https://forums.chaos.com/t/nurbs-trim-issue/43598 "2012-12-20T10:23:01Z")

</div>

Hi, We are trying to do something slightly unusual again with nurbs trims but are having trouble when rendering in batch mode.. In maya to the vraybuffer works fine. We are swapping the shape of a curve on every frame …

---

## [Animation of construction history can make no object in V-Ray.](https://forums.chaos.com/t/animation-of-construction-history-can-make-no-object-in-v-ray/38812)

<div class="topic-metadata">

**Author:** [@AndyGandy](https://forums.chaos.com/u/AndyGandy)\
**Replies:** 6\
**Last updated:** [September 26, 2011, 6:47pm UTC](https://forums.chaos.com/t/animation-of-construction-history-can-make-no-object-in-v-ray/38812 "2011-09-26T18:47:40Z")

</div>

Hello! I am trying to animate a pair of pipes in my scene by extruding a circle by the path with partial curve range to animate extruding of my pipe. In Maya all works and looks perfect but in V-Ray object (pipe) not app…