# 请问用preform怎么定长缩放模型发小

**URL:** <https://forum.formlabs.com/t/preform/19959>\
**Category:** 中文版块［Chinese］\
**Created:** [August 8, 2018, 7:38am UTC](https://forum.formlabs.com/t/preform/19959 "2018-08-08T07:38:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ForeverYYF](https://avatars.discourse-cdn.com/v4/letter/f/ecd19e/32.png) [@ForeverYYF](https://forum.formlabs.com/u/ForeverYYF)\
**Post date:** [August 8, 2018, 7:38am UTC](https://forum.formlabs.com/t/preform/19959/1 "2018-08-08T07:38:07Z")

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想让模型长为500的模型怎么变为50长的模型

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**Author:** ![system](https://us1.discourse-cdn.com/flex025/uploads/formlabs/original/3X/5/b/5bc2bdf993ff27c2e0eecab5010b25626fbb327a.png) [@system](https://forum.formlabs.com/u/system)\
**Post date:** [August 15, 2018, 7:38am UTC](https://forum.formlabs.com/t/preform/19959/2 "2018-08-15T07:38:12Z")

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