# \[PS\] Marquee with constrained aspect ratio

**URL:** <https://forum.kirupa.com/t/ps-marquee-with-constrained-aspect-ratio/310561>\
**Category:** design\
**Created:** [June 13, 2010, 7:34pm UTC](https://forum.kirupa.com/t/ps-marquee-with-constrained-aspect-ratio/310561 "2010-06-13T19:34:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![NeoDreamer](https://avatars.discourse-cdn.com/v4/letter/n/ccd318/32.png) [@NeoDreamer](https://forum.kirupa.com/u/NeoDreamer)\
**Post date:** [June 13, 2010, 7:34pm UTC](https://forum.kirupa.com/t/ps-marquee-with-constrained-aspect-ratio/310561/1 "2010-06-13T19:34:18Z")

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In Photoshop CS3, how do you contrain the marquee selection to an aspect ratio? For example, say I wanted a selection of 4:3. As I drag larger and larger, I would see selections of 4x3 to 8x6 to 12x9 to 16x12 and so on…