# Problem to use Factory symbol on perspective

**URL:** <https://forum.inductiveautomation.com/t/problem-to-use-factory-symbol-on-perspective/90430>\
**Category:** Ignition\
**Tags:** perspective, vision, ignition81\
**Created:** [May 15, 2024, 1:41pm UTC](https://forum.inductiveautomation.com/t/problem-to-use-factory-symbol-on-perspective/90430 "2024-05-15T13:41:14Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sebastien\_ng](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/sebastien_ng/32/55297_2.png) [@sebastien\_ng](https://forum.inductiveautomation.com/u/sebastien_ng)\
**Post date:** [May 15, 2024, 1:41pm UTC](https://forum.inductiveautomation.com/t/problem-to-use-factory-symbol-on-perspective/90430/1 "2024-05-15T13:41:14Z")

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Hello, I would like to use symbol factory on perspective:  
On VISION, I have drawn a component using `shape->difference`.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/a/e/aefa5d36cfe1671bd27a0109157744d69cf2e34e.png)

But on perspective I can't find option `shape->difference`.

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/4/b/4b93ab4361e7f9f9227bd42e5103775d991267a4.png)

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**Author:** ![Transistor](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/transistor/32/3380_2.png) [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Post date:** [May 15, 2024, 1:49pm UTC](https://forum.inductiveautomation.com/t/problem-to-use-factory-symbol-on-perspective/90430/2 "2024-05-15T13:49:29Z")

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Where did the Perspective tank image come from?  
What file format is it?

The obvious thing to do would be make the centre transparent.

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<div class="post-metadata">

**Author:** ![sebastien\_ng](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/sebastien_ng/32/55297_2.png) [@sebastien\_ng](https://forum.inductiveautomation.com/u/sebastien_ng)\
**Post date:** [May 15, 2024, 1:59pm UTC](https://forum.inductiveautomation.com/t/problem-to-use-factory-symbol-on-perspective/90430/3 "2024-05-15T13:59:03Z")

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> [@Transistor](#):
>
> La chose évidente à faire serait de rendre le centre transparent.

You mean I have to make the background color transparent ?

The image came from factory symbol

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/d/f/df2dda663fd7d9d0535c1a1a42cd24cc3fdbb165.jpeg)

and CylindricalTank is a perspective component