# Optical window IPA Streaking\_Form2

**URL:** <https://forum.formlabs.com/t/optical-window-ipa-streaking-form2/18422>\
**Category:** Form 2\
**Created:** [April 20, 2018, 8:58am UTC](https://forum.formlabs.com/t/optical-window-ipa-streaking-form2/18422 "2018-04-20T08:58:14Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![billb](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.formlabs.com/billb/32/5587_2.png) [@billb](https://forum.formlabs.com/u/billb)\
**Post date:** [April 20, 2018, 9:44am UTC](https://forum.formlabs.com/t/optical-window-ipa-streaking-form2/18422/2 "2018-04-20T09:44:27Z")

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You can spend hours and hours trying to clean the window or you can buy a new one…

Of course it alway helps if you don’t get resin on the window, ie you always remember to take out the build platform when ever you take out the tray.

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_[View the full topic](https://forum.formlabs.com/t/optical-window-ipa-streaking-form2/18422)._