@pilou said:

Seems a dangerous chair for hands' children or old person!

I would add, "fragile" and "unstable," as well.

There is no lateral (side-to-side)  connection, except at the floor "hinge." Any lateral force, up top, will bend and/or break things, down below.

Attractive visually, but needs some serious real-world engineering to make it practical furniture.

All I can think to say,Box, is that your posted image is, indeed, an animation.

-Taff

@cotty said:

My approach for this nice chair...

• one component
• arc tool
• scale tool
• circle tool
• rotation tool
• mirror plugin

Commendations, cotty!  Your method is precisely the approach that I took. (Nice, concise presentation, by the way.)

For the confused, the "trick" was to look for additional online photos, to find the "slab" mounted on the wall (or lying on the floor.)  I imported a "slab" photo, as a texture, which I formatted to correct the perspective distortion. That one image provides the relative lengths of all the parts.

Getting the footprint "spread" (distance, front-to-back)  is, then, the only factor requiring some trial-and-error. Even then, there is a clue in the first photo. (Look for the two front stiles that are near vertical.)

Well, I have to say that, apparently, the challenge wasn't much of a skills test, for you insightful sketchUcation members. Regardless, I hope that, if you haven't yet given it a try, that you will -- adding something of value to your skill set.

(I agree with other participants, that an animated depiction would be nice to see.)

-Taff

'Rising' Chair - RobertVanEmbricqs.skp

Of course it looks realistic -- It's a photograph of the actual chair!

(pbacot, I had to laugh. Sorry.)

And yes, multiple angles, of unspecified degree.

-Taff

Hi all, I've been AWOL for awhile, busy with geodesic consults, but I've had a bit of free time, recently, to play with non-geodesic modeling. I stumbled upon this chair, designed by Robert van Embricqs

Now then, how would YOU approach modeling this in SketchUp?

I've got mine done (and will show my results at a later date.)  How about your technique(s) and results?

(You can find additional imagery of the "Rising" chair, with an online search.)

-Taff

@ermin0s said:

Are all the edges of that nexdome the same length? i want to build this in real, but then with those long toothpicks for meat.

All the "copper" springs are the same, and all the "silver" ones are the same.

Note, however, that the 3-way "splits" are NOT equal.  Since this is based on a 5-frequency geodesic tessellation of an icosahedron *(frequency 5v{1,4} to be specific,) * the three straight sections of the copper springs are different lengths.  The straight sections of the silver springs are of two lengths -- one in the center, with the two ends being the same.

**CORRECTION:  ** I forgot that my last refinement (the most problematic, time-consuming exercise)  was to make the three-angle subdivision for each spring EQUAL.  Therefore, the three lengths (chords)  between geodesic nodes, for each spring, are identical.  Note, however, that the two springs don't share the same chord lengths.  The silver chords are 0.2834, and the copper chords are 0.2523, when the radius of the sphere *(to the nodes) * is 1.0000.

The CENTER of each coil corresponds with a "node" of the geodesic tessellation.

-Taff

%(#BF0000)[
@gilles said:

Pour revenir au sujet:
Coming back to the first post....
]
Thanks for posting! Great video, which I would never have otherwise seen.

Fencing continues to be assembled by hand, using jigs.

Hmmm, I built my SketchUp model by hand, using "jigs" (of a sort.)

-Taff

Windows users should note that Microsoft "Defender" is an ad-blocker, or, at least, has some ad-blocking functionality.

For more information, see the second link that I provided to Solo, in my post, above.

-Taff

@joe wood said:

So do I do Edit>Find while in that hosts file, or do I do that Ctrl F while in that file? Or is it Ctrl -F ?

EDIT- when in that hosts file I did Edit > Find, buysell and all it found was buyselldomain.net

Joe,

You may have an ad-blocker that is using some method, other than adding entries to the "hosts" file.

In that case, you need to modify your ad-blocker settings, to always allow access to "buysellads" address(es)

Otherwise, try disabling your ad-blocker, altogether, just to see if it's the culprit. If that works, then you know, for a fact, that you need to fine-tune the ad-blocker, so that "buysellads" address(es) are permitted. The instructions vary, depending on what ad-blocker you are using.

-Taff

@joe wood said:

So do I do Edit>Find while in that hosts file, or do I do that Ctrl F while in that file? Or is it Ctrl -F ?

Joe,

You used "Edit > Find" while in Notepad (editing "hosts") which is the same thing. In other words, "<Ctr>+F" is simply a keyboard shortcut.

(If fact, if you click on the menu "Edit" and pause to look at the list of commands, you'll see the keyboard shortcut right-beside the "Find" entry in the list.)

-Taff

@joe wood said:

Did Taff or Rich post the Notepad workaround, whichever one of you it was,

In Notepad, is that Ctrl F, or Ctrl-F to search for buysellads?

wow, in Notepad I see maybe 1,000 entries in that Hosts file! While in that Hosts file in Notepad I clicked Edit>Find and entered buyselladd but it found nothing.

hope this workaround works, from the time I clicked the email notification for this thread till I arrived here was over a minute, with Adblock turned off .

Joe,

Careful with your search. It's "buysellads" not "buyselladd"

You can search for just "buysell" and it will still find the entries.

-Taff

@solo said:

Hunted for the 'hosts' file without success, I'm using windows 8.

Solo,

See these links, for help with Windows 8:

Editing Hosts File in Windows 8

You can’t block Facebook using Windows 8′s hosts file

While the last one mentions Facebook, the article is really about how Windows 8 is treating the "hosts" file differently than previous Windows versions.

The location of the "hosts" file doesn't appear to have changed, however. You should find it in the aforementioned directory.

-Taff

I've been asked how this works.

Internet browsers (every one that I've tested) uses the "hosts" file for domain name resolution, FIRST, before going to domain lookup online.

When you type a text web address, the browser needs the corresponding numeric IP address. The browser has to get it someplace, right? Everyone assumes that it is acquired online, as they have seen the messages to that effect.

Fortunately, the IP address can be provided by the "hosts" file, if you add them to it. The only primary advantage is faster access, since web-based domain lookup is avoided. This was the initial reason for the "hosts" file.

If, however, you put a text web address in the "hosts" file, and provide the WRONG numeric IP address, the browser will go to the wrong address. If you look at the example I provided above, and look in your own "hosts" file, you will see that the numeric IP address provided, for EVERY entry is, "127.0.0.1"

"127.0.0.1" is the IP "home" address for your OWN COMPUTER !

This causes the browser to look for files on your computer - files that aren't there.

When an advertisement is supposed to load, the browser can't find it (on your computer,) so it just skips it. (Some browsers show an error message, some just a blank graphic box.)

By the way, you can download "hosts" files, from online sources, that are already packed with hundreds of the the most common "bad actors." I've been doing this for decades; long before ad-blocking software came along. If you find yourself blocked from a necessary website, edit the "hosts" file, to permit routing to the proper address.

-Taff

Yep,

Keep a vigilent eye, to make sure the edges shared by the 1/4-sphere and the 3/4-almond are not compromised, during scaling operations. Then the two groups will merge smoothly, when exploded.

BTW, I can see how pjbazel's interpretation, of the backside, may be correct. It may, indeed, be asymmetrical, unlike the "roach" house design.

-Taff

By the way, Fresco seems to like ellipsoid & "almond" shaped buildings, boats & aircraft for his designs.

Do a "Jacque Fresco" Google Image Search for plenty more examples.

(The second image reminds me of a roach -- the bug kind, not marijuana.)

pjbazel,

That's a house sketch by Jacque Fresco, from Venus, Florida. He's a futurist-style architect, with grand civilization concepts (sort of like Bucky Fuller was.)

I played around with the design, to create in SketchUp, something akin to this house sketch.

I started with a sphere, and stretched it, with multiple portion scalings, to produce a shape similar to an almond.

From there, I used intersections of elliptical cylinder sections, to create portions of the almond to "cut-away." I performed similar intersections with the inner "more-spherical" group.

I didn't get an exact reproduction, on this first attempt, but the exercise does demonstrate that 3D modelling should be manageable, using such methods.

-Taff

![I cut a "window" in the "almond," to show sphere section (group) inside](/uploads/imported_attachments/7EWm_Fresco1.png "I cut a "window" in the "almond," to show sphere section (group) inside")

![Outer "almond" intersected with elliptical cylinder sections](/uploads/imported_attachments/STky_Fresco2.png "Outer "almond" intersected with elliptical cylinder sections")

![Exploded inner group, to merge with "almond," and cleanup of extraneous entities](/uploads/imported_attachments/3i2N_Fresco4.png "Exploded inner group, to merge with "almond," and cleanup of extraneous entities")

That triangular-windowed roof makes a grand addition to the design.

It could, just as easily, have been composed of rectangular windows, with triangular windows at the intersections.

Have you compared the appearance of triangular vs. rectangular?

-Taff

(Make no mistake, I'm a fan of triangulated constructs.)

disturbed13,

The roof sections that are in your model are referred to as "barrel vaults."

The problem, which you've demonstratively-realized, is that equilateral triangles can not be tiled to fit a 135° "bend" in the barrel-vault curved roof.

Even if the intersection was 120°, which would, at "first blush," fit the equilateral triangle edge, can NOT be tiled with equilateral triangles. The reason is that, on a cylinder, tiled equilateral triangle edges follow a helix, not the planar intersection line between two adjacent cylindrical roof sections. In the image below, you can see the spiral helix path traced by the equilateral triangle edges.

If you wanted to employ equilateral triangles, making all the windows the same, it can not be done. There's no way to get around the mathematical facts of the intersection of cylindrical barrel-vaulted roofs. (Actually, even if they were NOT cylindrical, you can't get a planar-intersection arc to fit equilateral triangles.)

Did you want to proceed with triangles that are not equilateral?

Isosceles triangles might/should work, where windows in each ROW share the same specs.

-Taff

disturbed13,

Good download, of the 15Mb file.

I immediately opened it, purged unused geometry, and got a file size of 74.5Kb
%(#8000BF)[

From Goggle:
Open the SketchUp file, and click "Window" > "Model Info" > "Statistics" > "Purge Unused."

From "SketchUp Sage":
https://sites.google.com/site/sketchupsage/faster/purge

]
Back to the model - I'll take a look at the roof geometry tomorrow.

I already have questions about the curved lines of the roof and tops of walls. It is unclear whether these arcs are "fixed" geometry of your design, and should not be modified/deleted. (Regarding "Component#91") How were they established, and should they not be edited?

-Taff

Uhmmm, jpegs & pdfs don't help.

I suggested uploading your model, so that I could measure & build upon geometry that is fixed and shouldn't change.

You can save the model, using a NEW name, then edit the new model to delete everything but the subject geometry. The resulting model will be MUCH smaller.

I don't really need to know anything about the remaining geometry of the house.

Perhaps, providing the SketchUp model of what you've done, so far, is in order.

-Taff