Roof Exhaust

[Anonymous]

Anyone know where I can find one of these? Or, how I can make it?

Thanks.
Clay

[Anonymous]

The revolved part can be made with Profiler.
Peter Devlin

[Anonymous]

Download manufacturers pdf or dwg cut sheet. Scale to right size in plan window and trace (both side of sheet metal) 1/2 section profile of curved shapes with poly line (must be closed shapes, but can be several separate pieces, simplify) magic wand with fill. Copy and paste fill into complex profile, new window and check for use as column,set aluminum finish, save as "exhaust fan". Select round column to hgt & radius of fan, with "exhaust fan complex profile" and place in plan, build square base with slabs. Select everything and save as object to your project library.

Sounds kinda time consuming but once you get it down probably a 15 or 20 minute deal.

[Anonymous]

Dave wrote:
....Copy and paste fill into complex profile, new window and check for use as column,set aluminum finish, save as "exhaust fan". Select round column to hgt & radius of fan, with "exhaust fan complex profile" and place in plan.....

I think you will need to use a wall, not a column. The column has a profiled cross section on plan, not in section.

On plan you will have to draw the circular wall with a very small hole in the center (1mm) with the applied profile, otherwise it wont work.

For everything else do as Dave says!

[Anonymous]

Peter wrote:
....I think you will need to use a wall, not a column....

right

[Anonymous]

Why doesn't the column work this way? Why does it show a plan/profile, rather than applying the profile to the column in a way that makes sense? Is there a point? Is this correct for something, or is it just a tool that doesn't work properly?

I was hoping to find a discussion about how to make the profile and column play well together.

[Dwight]

Try not to get hung up on names.

Back in the old days, Archicad, calling a flat, horizontal primitive a "slab" was a breakthru, but distinctions between tools blur with new features.

[Anonymous]

Jocelyn wrote:
Why doesn't the column work this way? Why does it show a plan/profile, rather than applying the profile to the column in a way that makes sense? Is there a point? Is this correct for something, or is it just a tool that doesn't work properly?

I was hoping to find a discussion about how to make the profile and column play well together.

As Dwight says, the trick is not to think of a profiled column as a 'column' in the traditional sense. It is just a profiled shape extruded upwards (or downwards). It also gives you the ability to tilt the profile whist keeping the top and bottom faces horizontal.

Likewise, a profiled wall is just a way of extruding a profile sideways. It doesn't actually have to be used as a wall.

The third option, a profiled beam, has properties similar to the wall but also gives you the ability to slope a profile whilst keeping the end faces vertical.

So in answer to your question, use the tool that gives you the geometry shape you require, i.e. you can use the wall tool to extrude a profile horizontally in a circle, the geometry produced just happens to be a used as a column.

[Anonymous]

Jocelyn wrote:
Why doesn't the column work this way? Why does it show a plan/profile, rather than applying the profile to the column in a way that makes sense? Is there a point? Is this correct for something, or is it just a tool that doesn't work properly?

I was hoping to find a discussion about how to make the profile and column play well together.

The profile applies to the horizontal cross section of a continuous column. The tool is not intended for creating columns that vary over their height, but for its intended purpose it works very well. I know its a bit odd but if you are looking to make classical orders a curved profiled wall is the way to go. Of course this won't give you flutes, scrolls. acanthus leaves nor eggs and darts. For the ornate stuff you need to use library parts (though SEOs can do the trick sometimes).