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John

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81

Monday, June 2nd 2008, 9:46pm

The roof on this wing is quite complex. When the main part was first glued up, its surfaces bulged outward. To make them appear dead flat, they were backed with card.

The card is kept back from the edges of the roof sections to make way for wall tabs.
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82

Monday, June 2nd 2008, 9:49pm

The roof is on. I'm sure the carpenters were scratching their heads on this roof. Very dramatic - and very French!
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83

Monday, June 2nd 2008, 9:51pm

An aerial view...
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84

Monday, June 2nd 2008, 9:59pm

Now we are ready to address the problem with that little roof section that did not fall into place correctly. Before we begin, I must say that the many parts of this roof fit very well otherwise. It was enjoyable work putting the parts together.

The problem roof segment has been removed and replaced with a lower tab that will receive the new one. (white) It doesn't look like it in this photo, but the blue slate roof that is extending too far has been creased and glued down to the top tab.
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85

Tuesday, June 3rd 2008, 1:07am

The repair work went well.
A light card was used to make a pattern for the replacement roof part. Then it was used to cut out the new part on a copied roof section.
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86

Tuesday, June 3rd 2008, 1:09am

Here is comparison of the original roof and the replacement part.
On the right is the finished repair.
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87

Tuesday, June 3rd 2008, 10:01am

Looks better than new, John :)
The idea of copying a big roof part as spare is good. Better than Merino's spare parts. The important thing is to have printed textures rather than exact copies of faulty parts...

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88

Tuesday, June 3rd 2008, 5:35pm

Thanks Ricardo.
Now comes the moment of truth when the front half of the east wing goes into place. I fully expect that it will have to be wrestled into position as tensions are sure to have been building with so many angles involved.

Hopefully with the next picture posting, everything will have been nailed down. To my eye, nothing looks worse than a well constructed model not sitting flat on its base. I've had this happen before and am guilty of laying down a bead of glue like caulking to seal the gap!
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89

Tuesday, June 3rd 2008, 6:50pm

John

That is a stunning "patch". Not only is the fit perfect, but so is the colour and texture. I find it so hard to get my scanner and printer to reproduce colours even close to the original. Do tell us how you do it!

Alan

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90

Tuesday, June 3rd 2008, 10:24pm

Hi Alan,
I don't scan parts. There are a lot of software adjustments that just confuse me! I simply photocopy the part and adjust the brighter/darker setting as needed. Sorry I couldn't impress you!

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91

Tuesday, June 3rd 2008, 10:46pm

John, your build looks fabulous to me. I am learning many techniques on building paper buildings :)

Thank you.

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92

Tuesday, June 3rd 2008, 11:18pm

A Tip

I have come upon a technique that might be useful to architectural builders. I would like to share it here.

If a wall or roof to be reinforced with card depends on fastening itself to a tab from another wall or roof, room for that tab must be provided. The card is stopped up to a centimeter away from the edge. This makes room for the tab but makes for a weaker joint area. A superior method would be if the card could run right up to the edge of the part. How would the tab be fastened? That is where my tip comes in.

Place a piece of adhesive tap over the edge of the reinforcing card to prevent adhesive spray glue from contacting the card. (photo three) After spraying the card, remove the adhesive strip. Now that card can be stuck behind the skin of the wall or roof right up to its outer edge, leaving the last centimeter or so unglued. You have created a pocket for the tab. Glue the tab and slip it into the slit you have created with the backing reinforcement.

Here is a practical application of that technique. A small piece of roof with the dormer (photo one) will flex and bend when the yellow tab (photo two) is applied. The whole east wing is going to swing into position with this joint as a pivot point. But the card I am holding in my hand (photo three) will prevent that little roof from deforming. It will also keep the edge of the joint strong because the valley joint will be reinforced right to its edge.

There are other advantages to creating a dry pocket for tabs in walls and roofs. You may not be able to get in behind the parts to apply back pressure for gluing after the tab is in place. With this method, you can press the skin from the front. The backing card holds firm.

Also, when long tabs are glued, they tend to wrinkle and ripple when wet. You have to keep running along the tab with your finger or a tool while it is drying to make sure its length is making contact and not wrinkling. This can be very awkward if you have difficulty seeing what you are doing. With the dry pocket, you slip the glued tab in from the front. Again, the backing card holds firm and straightens the tab as it dries.

Works for me,
John
John has attached the following images:
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This post has been edited 2 times, last edit by "John" (Jun 3rd 2008, 11:30pm)


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93

Tuesday, June 3rd 2008, 11:21pm

RE: A Tip

Thanks Lluis. Maybe this tip will come in handy some day.
Here is the finished valley joint. I should be able to manipulate the wing now and draw it into its position on the footprint.
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94

Wednesday, June 4th 2008, 9:16am

RE: A Tip

Hi John,

It would never have come to my mind to solve such problems with "dry pockets" - what an ingenious method! I follow your build with great interest, good luck with all the tricky roofs (although I'm very sure you will make it by pure craftsmanship ...)!

Cheers
Wolfgang

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95

Thursday, June 5th 2008, 7:14pm

The East Wing

Thanks for the positive comments Wolfgang. Appreciated.

The east wing is now in place. Only two little walls in the courtyard gave me grief. Otherwise, the unit settled down nicely. This model is beginning to take on some very nice sight lines.
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96

Thursday, June 5th 2008, 7:15pm

RE: The East Wing

Other views...
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97

Saturday, June 7th 2008, 9:43pm

RE: The East Wing

More care has been taken by the architects with the ornamentation of the dormers on the street 'show' sides of the pavilion . They feature arched roofs and scrolled ornamental façades.
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98

Sunday, June 8th 2008, 12:44am

Hi John,

I always follow you building reports. ( i do think you know that ;) )

I should not forget to send from time to time a coment.

Well done and very helpfull for people who want to build this cardmodell.

greetings from Vienna, Herbert

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99

Sunday, June 8th 2008, 9:14am

The dry pocket tip is a very good one, John. I think I am going to use it not only for buildings but also when I find a long flap. I will tell you about my results. :yahoo:

Thank you for sharing. Your building is looking fantastic. =D>

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100

Sunday, June 8th 2008, 3:21pm

And greetings to you Herbert from southern Ontario. Good to hear from you. Thanks for the positive comments. You are very kind.

Hello Lluis. It would be nice to hear how the tab fastening idea works if you have a chance to give it a try. Cheers.

Now we move to the west wing of L'Institut de France. The courtyard on this side is much smaller. Notice the artist's attention to detail with the staining on the walls below the windows. Again, this is quailty artwork far removed from computer generated fare. The right photo shows the location of the tunnel that will bypass the courtyard and go directly through the building to the back.
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101

Sunday, June 8th 2008, 3:25pm

The walls of the west pavilion, like its mirror image on the east side, are capped with cornices. They are modelled in detail.
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102

Monday, June 9th 2008, 10:30pm

An opportunity has arisen to show the use of the dry pocket technique for long tabs. The tab on the side wall of the west wing is 15 cm long. As stated above, a tab this long with wet glue on it can be tricky to get into place smoothly. As well, often times, accessing the inside of the model to flatten the wet tab is awkward. The reinforcing plate in the roof solves the problem.

Here is the process in photographs:
1. The tab is engaged in the unglued pocket at the left.
2. The tab is sliding down into the pocket.
3. The tab has come to rest at the bottom of the pocket.

Edit: Oops! The text is backwards. It's the roof with the pocket that is sliding down onto the tab. Whichever way you look at it, it works!
John
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This post has been edited 1 times, last edit by "John" (Jun 9th 2008, 11:16pm)


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103

Monday, June 9th 2008, 10:40pm

Photographing from the outside:
1. Getting ready to attach the roof. (The roof can be very accurately positioned.)
2. The roof sliding down onto the tab.
3. The roof reaching the bottom of its travel and resting on the top of the wall.
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104

Tuesday, June 10th 2008, 10:24pm

The west wing is much easier to construct.
On the right the parts surrounding the courtyard tested for fit.
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105

Tuesday, June 17th 2008, 11:14pm

The West Wing

Work on the exterior of my house is limiting the work on the exterior of Institut de Paris. However, a few dormers and chimneys and the west wing will be complete.
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106

Tuesday, June 17th 2008, 11:22pm

RE: The West Wing

John,

I very much hope the work you are doing on your real home is as clean and skilled as the work you are presenting here. On the other hand I hope your home is a little less complex than the buildings you chose as a model. Maintaining a building like the Institut de France must be a tedious task as you never complete it.

Simon
Wiedereinstieg in den Kartonbau nach vielen Jahren ...

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107

Wednesday, June 18th 2008, 9:18pm

RE: The West Wing

Hello Simon,
Thanks. You are right. I live in a wooden sided house. When I finish painting my way around it a bit at a time each year, it's time to start over again.

The west wing has four interesting dormers facing the street. It is the first model I've assembled where they are hip roofed. (I've sometimes heard this roof referred to as 'cottage style' roof.)
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108

Wednesday, June 18th 2008, 9:24pm

The East Wing

Here are two shots taken looking back into the east wing.

One way...
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109

Wednesday, June 18th 2008, 9:25pm

RE: The East Wing

...and the other way.

Edit: All is not well with the wall beside the tunnel. Sorry about that...
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This post has been edited 1 times, last edit by "John" (Jun 18th 2008, 9:28pm)


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110

Thursday, June 19th 2008, 1:38pm

Correction

That's better. A little reconstruction work on that wall.

Honestly, I did not see the ripple at the edge of the tunnel until the photograph was posted! I have often commented that the unforgiving camera eye can see what we do not. I surmise that our eyes tend to take in the whole field of view, where the lens, with its magnification, zeroes in on only what it is aimed at.
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111

Thursday, June 19th 2008, 3:46pm

Dear John,

I trust you are doing well! These days I am a quite observer as there is little time for hobby and forum.

This is once again a very nice built from a very interesting building.

I will enjoy following your next steps.

With best wishes,

Matthias

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112

Thursday, June 19th 2008, 10:26pm

Hello Matthias,
Thank you. Best wishes to you as well.
So nice to hear from you.

The last building of the Institute is the Caen Pavilion. It anchors the northwest corner. Its roof is very interesting. It has an enclosed, sunken rooftop terrace.
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113

Friday, June 20th 2008, 8:35am

Hi John.
Excellent work !
It looks great.
All the best
Christian

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114

Sunday, June 22nd 2008, 2:47pm

Round Topped Dormers

Thanks Christian.

The round topped dormers are printed with no tabs. This is a good thing. You will see two little strips of card forming the dormer. To keep the side walls parallel, a strip of card is glued in place at the front of the dormer. Then another strip is glued at the back on the angle of the dormer. This second one makes it easy to glue the dormer cleanly to the roof. (Thanks for the tip Ricardo.)
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115

Sunday, June 22nd 2008, 9:33pm

The Caen Pavilion...
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116

Sunday, June 22nd 2008, 9:34pm

...in place.
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117

Sunday, June 22nd 2008, 10:34pm

The Stone Urns

The Mazarin and Caen Pavilions are adorned with thirty stone garland draped vessels that are emitting what looks like an Olympic flame. They are intended to be mounted to the roof with tiny triangular tabs. The spot where they will be affixed is a white patch. You will have seen them in other photos.

I see this as a potential headache. The tabs are flimsy and will probably not stay parallel to each other when mounted. There also will be a white patch between them.

I plan to reinforce the two tabs with a piece of printed roof. Some of you will recall the repairs made to a roof on the east wing. I'll use a piece of it. It will keep the tabs parallel, provide an area for gluing and cover the white patch.

Haven't got one in place yet, but here is the progress so far.
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This post has been edited 2 times, last edit by "John" (Jun 22nd 2008, 10:36pm)


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118

Monday, June 23rd 2008, 8:20am

Hi John,

just beautiful, the build as well as the model.

Regards

Hans Gerd
Hans Gerd Schöneberger verstarb nach langer Erkrankung am 29.12.2010. Wir halten Hans Gerd mit seinen Beiträgen hier im Forum in lieber Erinnerung und denken mit Freude an die gemeinsam verbrachte Zeit im Forum und auf den zahlreichen Treffen.

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119

Tuesday, June 24th 2008, 1:52pm

Thank you for the nice comments Hans Gerd. Much appreciated.

Well, the build is nearing its completion.

"Light at the end of the tunnel?"
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120

Tuesday, June 24th 2008, 7:52pm

Yes John, it is simply beautiful. Thank you for sharing your techniques with us.

regards
best regards
mit herzlichen grussen

Fred

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