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Modeling
About Archicad's design tools, element connections, modeling concepts, etc.
SOLVED!

Splayed window reveals on external walls - again...

Rene Pahlavan
Enthusiast

I've searched and found a number of old responses to similar questions, and various suggestions have been made, with varying results - all unsatisfactory and problematic in some way or another, unless I'm missing something obvious!

 

What I want to achieve is thick walls with splayed reveals on the external face, but not the internal face.

A variation on something like this.

 

It's not that uncommon a detail, but if we can't model something easily, it compromises the architecture, which is not what BIM software is supposed to do, and certainly not Archicad.

 

I want the splayed reveals to have a different surface finish, whether it's a metal panel or a different brick. I want them to display in plan, section and elevation without any messing around with cover fills. 

 

Windows typically allow custom splayed reveals, but only on the internal reveals. I can model this just fine and use slabs/beams columns to create the custom reveal materials - as long as I reverse the direction of all the walls.

 

Obviously this is on the 'wrong' wall face, which I'm nervous about in terms of things like composites, connections, data tags etc.

 

I don't really want to flip the walls so they will then all have the external walls on the internal face, and vice-versa. I can't simply flip the reveals. Flipping the window won't flip the reveals.

 

I can use floating SEOs in 3D, but they don't display on plan, which is a major problem.

 

I could convert the wall to a morph, but that's another terrible idea.

 

I'm playing around with massing options, which is why ideally I just want the window configuration in the wall to do it.

 

Are there any clever components that can do it?

 

What's the best/easiest way to do this without jumping through too many hoops?


Screenshot 2022-05-04 at 11.14.54.pngScreenshot 2022-05-04 at 11.27.19.pngScreenshot 2022-05-04 at 11.16.16.png

AC27 (Apple Silicon)

macOS Sequoia 15.1.1.

MBP M3 Max (16-inch 2023)
1 ACCEPTED SOLUTION

Accepted Solutions
Solution
Barry Kelly
Moderator

I don't think you will win with this one with the reference lines on the outside.

Because you are wanting the external walls to trim at a right angle (which they do).

You angles wall is passing trough one wall (not touching its reference line so it will not trim) but is touching the ref line of the other wall so it is trimming to that - hence the gap.

 

The best I can do is to move the ref lines of the outside walls to the inside - you can select all exterior walls and do it in one step.

Then continue the angled wall past and then sending to the back in display order.

Just stop the angled wall inside the outer edge of the external wall otherwise you will see a line in elevation/3D.

 

My walls have transparent fill backgrounds so display order is not showing here.

 

BarryKelly_0-1651653385470.png

 

The other option is to create a custom complex profile column and place that in the corner.

Drag a copy of the 3 walls.

Explode to lines an fill.

Edit to show what you want.

Copy and create an new complex profile column.

Past the lines and fill.

Save

Place the column in the corner.

But I still don't think that will trim all the walls away.

 

The first option above should work but if it doesn't then the only sure fire way I know that will work is to place a marquee, and create a patch.

 

BarryKelly_1-1651655056528.png

 

You then select the patch (object) it places, open the object for editing, go to the 2D symbol windows and edit to appear how you want it.

Save the object and it is done.

It won't affect the 3D, so you will still probably have to move the ref lines inside and adjust the angle wall so it is not touching the outside, but covers the corner (as in my top image).

 

Barry.

 

One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11

View solution in original post

17 REPLIES 17
Solution
Barry Kelly
Moderator

I don't think you will win with this one with the reference lines on the outside.

Because you are wanting the external walls to trim at a right angle (which they do).

You angles wall is passing trough one wall (not touching its reference line so it will not trim) but is touching the ref line of the other wall so it is trimming to that - hence the gap.

 

The best I can do is to move the ref lines of the outside walls to the inside - you can select all exterior walls and do it in one step.

Then continue the angled wall past and then sending to the back in display order.

Just stop the angled wall inside the outer edge of the external wall otherwise you will see a line in elevation/3D.

 

My walls have transparent fill backgrounds so display order is not showing here.

 

BarryKelly_0-1651653385470.png

 

The other option is to create a custom complex profile column and place that in the corner.

Drag a copy of the 3 walls.

Explode to lines an fill.

Edit to show what you want.

Copy and create an new complex profile column.

Past the lines and fill.

Save

Place the column in the corner.

But I still don't think that will trim all the walls away.

 

The first option above should work but if it doesn't then the only sure fire way I know that will work is to place a marquee, and create a patch.

 

BarryKelly_1-1651655056528.png

 

You then select the patch (object) it places, open the object for editing, go to the 2D symbol windows and edit to appear how you want it.

Save the object and it is done.

It won't affect the 3D, so you will still probably have to move the ref lines inside and adjust the angle wall so it is not touching the outside, but covers the corner (as in my top image).

 

Barry.

 

One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
Miha_M
Advisor

Such intersections, where a third wall has to be joined through another wall intersection, are in most cases with composite structures trouble or at least tricky in Archicad and something that needs to be addressed for further development by GS. I don't know of any good solution which would result in correct graphics & material quantities in schedules. Your best solution for an acceptable graphic output is with a little help from tweaking the third wall display order (send back). If that doesn't help then there is somewhere another intersection interference, maybe in another story above or under this one?

Miha_M_1-1651657923167.png

If anybody knows how to get a better intersection of such three walls I'd be happy to learn how. Until then such non-clean intersections are giving us slightly wrong quantities takeoffs, possible manual zone definitions need, etc. and are best avoided by design.

| Archicad 4.55 - 27
| HP Z840 | 2× E5-2643 v4 | 64 GB RAM | Quadro M5000 | Windows 10 Pro x64
| HP Z4 G4 | W-2245 | 64 GB RAM | RTX A4000 | Windows 11

BrunoH
Expert

It's possible to achive, the reference lignes of the three walls have to join at the same point.(see attatch). You'l have to offset the reference ligne of the interior wall.


Raccord 3 murs resultat.jpgRaccord 3 murs.jpg
ArchiCad 3.43 to 28
MacOS Monterey

Correct, but only if the geometry allows it. In @Rene Pahlavan 's case the intersection point is beyond that and the wall would have to be moved, which I don't think he wants.

| Archicad 4.55 - 27
| HP Z840 | 2× E5-2643 v4 | 64 GB RAM | Quadro M5000 | Windows 10 Pro x64
| HP Z4 G4 | W-2245 | 64 GB RAM | RTX A4000 | Windows 11

If the reference ligne of the 2 exterior walls is place on the inside face the geometry allows it in @Rene Pahlavan 's case. He can easily do it with Barry Kelly's tip.

ArchiCad 3.43 to 28
MacOS Monterey
DGSketcher
Legend

Personally I don't think such a junction should even be formed if it can be avoided. The problems associated with forming & anchoring it and fully supporting the facings suggest it should be designed out or you may find the trades redesign it for you on site!

Apple iMac Intel i9 / macOS Sonoma / AC27UKI (most recent builds.. if they work)

Learned something new again today - thanks Barry!

I feared that selecting all the exterior walls and picking the inside ref line would displace all my exterior walls and I would have to move them all back manually and intersect the corners (I have done this before to get things right). However, I did not know about the Modify Wall Reference options (found under Edit - Reference Line and Plane ). This did the trick - reference lines moved without affecting the position of the walls. 

 

Thanks a lot everyone for your input! I learn more from each of you!


Screen Shot 2022-05-04 at 11.37.39 AM.png
AC27 (Apple Silicon)

macOS Sequoia 15.1.1.

MBP M3 Max (16-inch 2023)

I should add that for the sake of time and simplicity, I've gone with Barry's first solution.

 

AC27 (Apple Silicon)

macOS Sequoia 15.1.1.

MBP M3 Max (16-inch 2023)

It's allways possible, even if you want to keep the reference ligne of the exterior walls to the exterior face as you can set the reference ligne anywhere inside the wall base if offset is positive or outside the wall base if offset is negative (see attatch).


Intersection 3 murs.jpg
ArchiCad 3.43 to 28
MacOS Monterey