log rafters?

[Anonymous]

Hi Everyone,

Can anyone make a recommendation on how to best model simple (cylindrical) "log" rafters? The tops are plumb cut, but the tails are square cut.
I'm currently using angled beams with a custom profile, but the tops are healing themselves oddly (see attached screengrab), and the tails are plumb, which I can SEO as necessary.

Thank you!

John

[Anonymous]

John,
you can use an object from the standard AC Library (in my case INT):
Steel Structures15 / Steel Beams15 / CHS Cold-Formed Beam15...and set wall thickness to nearly half of the diameter (dia=180mm, wall=89.9mm) to obtain a solid profile.

[Anonymous]

2. Set the Inclination of the rafter:

[Anonymous]

3. Set cutting angles for the Ends:

[Anonymous]

Hi there!
Thanks for your response- that looks like it would do just what I am after- but I don't have those library parts, and haven't been able to find them. Is the library you are using an add-on, or am I perhaps looking in the wrong place? I have steel beams, but nothing round in section; I also have round steel column shapes, but they can't be angled, as far as I can tell. I am using AC Library 16.
Thanks again,
John

[Laszlo Nagy]

If you are using ArchiCAD 16 library, then you are using ArchiCAD 16. You should correct your signature.

Then try downloading those object from BIMComponents.com:

https://bimcomponents.com/Search/steel%20beam

[Anonymous]

Done and done.
Thank you very much!
John