https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241983#M8591 If you want actual corrugations in your model (be careful as this will add a lot of polygons) then you will need a library part such as 'Profiled Sheet' (that should be in the Archicad library or is in BIM Components).<BR /> <BR /> Or you could use a complex profiled beam on an incline but I would go for the object.<BR /> <BR /> For my working drawings I just use a flat roof with a hatch attached to the surface material to represent the corrugations.<BR /> That way you can have the transparency if you need it and still see the corrugation lines from the hatch (see attached image).<BR /> <BR /> You won't see the hatching in 3D OpenGL views but you can add a JPG image of a corrugated sheet (see image next post).<BR /> <BR /> From version 18 you can create surfaces that have displacement so you can have a flat roof surface that renders in Cinerender with a corrugated effect so it looks quite real and can be transparent.<BR /> <BR /> Barry. Wed, 09 Dec 2015 13:27:36 GMT Barry Kelly 2015-12-09T13:27:36Z https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241982#M8590 <DIV class="actalk-migrated-content"><T>I need a bronze tinted corrugated polycarbonate roof. I've tried using tinted glass but can't get the corrugations. Any suggestions?</T></DIV> Wed, 09 Dec 2015 12:58:38 GMT https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241982#M8590 KeesW 2015-12-09T12:58:38Z https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241983#M8591 If you want actual corrugations in your model (be careful as this will add a lot of polygons) then you will need a library part such as 'Profiled Sheet' (that should be in the Archicad library or is in BIM Components).<BR /> <BR /> Or you could use a complex profiled beam on an incline but I would go for the object.<BR /> <BR /> For my working drawings I just use a flat roof with a hatch attached to the surface material to represent the corrugations.<BR /> That way you can have the transparency if you need it and still see the corrugation lines from the hatch (see attached image).<BR /> <BR /> You won't see the hatching in 3D OpenGL views but you can add a JPG image of a corrugated sheet (see image next post).<BR /> <BR /> From version 18 you can create surfaces that have displacement so you can have a flat roof surface that renders in Cinerender with a corrugated effect so it looks quite real and can be transparent.<BR /> <BR /> Barry. Wed, 09 Dec 2015 13:27:36 GMT https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241983#M8591 Barry Kelly 2015-12-09T13:27:36Z https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241984#M8592 And the Open GL view.<BR /> <BR /> Barry.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/13890iF10F9DDE5FCB8341/image-size/large?v=v2&amp;px=999" border="0" alt="transparent_roof.jpg" title="transparent_roof.jpg" /> Wed, 09 Dec 2015 13:28:23 GMT https://community.graphisoft.com/t5/Libraries-objects/Corrugated-polycarbonate/m-p/241984#M8592 Barry Kelly 2015-12-09T13:28:23Z