https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292331#M5710 in addition to what vgodzb said, just in case remember that you have to set up the material in the cinerender engine, It happens to me before that I just change the material in the internal engine and not in the cinerender engine. <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_biggrin.gif" style="display : inline;" /> Mon, 24 Aug 2015 15:09:41 GMT Anonymous 2015-08-24T15:09:41Z https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292329#M5708 <DIV class="actalk-migrated-content"><T>I'm having difficulties getting glass to appear as transparent in Cinerender 19.<BR /> <BR /> Even if I set the glass refraction to 1 and at 100% transparency, I still get opaque windows in the render. What am I doing wrong?</T></DIV><BR /><span class="lia-inline-image-display-wrapper" image-alt="Screen Shot 2015-08-20 at 9.50.40 AM.png" style="width: 612px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/14807iF15E0BB25700FABA/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2015-08-20 at 9.50.40 AM.png" alt="Screen Shot 2015-08-20 at 9.50.40 AM.png" /></span> Thu, 11 May 2023 09:42:36 GMT https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292329#M5708 Anonymous 2023-05-11T09:42:36Z https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292330#M5709 Read this thread <A href="http://archicad-talk.graphisoft.com/viewtopic.php?t=49107" target="_blank"><LINK_TEXT text="http://archicad-talk.graphisoft.com/vie ... hp?t=49107">http://archicad-talk.graphisoft.com/viewtopic.php?t=49107</LINK_TEXT></A><BR /> If it's not in the rendering settings then its in the surface settings....<BR /> <BR /> If you provide a screen shot of your rendering settings it would help. See attached for where the reflection and refractions settings are located.<BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/68773i35B6FEF9CDF132AD/image-size/large?v=v2&amp;px=999" border="0" alt="Screen Shot 2015-08-21 at 1.13.19 PM.png" title="Screen Shot 2015-08-21 at 1.13.19 PM.png" /> Fri, 21 Aug 2015 17:18:46 GMT https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292330#M5709 Anonymous 2015-08-21T17:18:46Z https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292331#M5710 in addition to what vgodzb said, just in case remember that you have to set up the material in the cinerender engine, It happens to me before that I just change the material in the internal engine and not in the cinerender engine. <IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_biggrin.gif" style="display : inline;" /> Mon, 24 Aug 2015 15:09:41 GMT https://community.graphisoft.com/t5/Visualization/Window-Transparency/m-p/292331#M5710 Anonymous 2015-08-24T15:09:41Z