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Problems with valences.

Dave John

Entry posted by Dave John

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I have been looking at valences. Why ? Well, I have got on a bit with constructing the platform buildings. The roof would have ended about an inch or so over the ogee cast gutter. Between the gutter and the end of the roof supporting girders would be the valence. So in order to get the roof overhang right I need to know how thick the valences are going to be. Which more or less means I have to know how I’m going to make them.

Well thats simple then, get on with making the valences Dave. ( harumpf ….. ) Now there are many which you can buy ready made in card, plastic or etched brass. But of course these varied by company and date. Some were nice and simple, just a point on the end of a plank of wood. Some were however insanely fancy. ( harumpf ….. again)

Ok, so did the L&D go in for a nice simple pointy stick type valence? Nope. They went for an insanely fancy one. Which, of course, is nothing like any of the fancy ones available ready cut in card, plastic or brass. Here is a section of a photo which shows the shape rather well.

 


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(Some serious harumpfing ….. )

 


My experiments so far consist of putting that into the silhouette software and using it to create a cutting shape. Scale it to size and then the silhouette cuts it out.

Ok, so a picture of a cut piece.

 


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I’m not happy with it yet. For starters it creates a very complex file which takes ages to cut. Because it is many cuts it is almost nibbling the shape out rather than cutting, so much scalpel work is still required. I think I am pushing the limits of what the silhouette can do down at that size. Anyway, overcoming obstacles is the fun of modelling so I’ll persevere for a while and see whether I can get it to work.

With of course a lot of harumpfing …..

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Mikkel
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That doesn't look too bad.   I agree you are probably at the limits of what the Silhouette can do, but a little more tweaking and it will be quite good, I think.

 

One thing I've found is that changing blades or trying out styrene from a different maker can change the result quite dramatically with these very fine cuts. So whenever I have an acceptable result I make sure to print it all straight away! :-)

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Dave John
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Well, I might end up doing that PT. Thing is I will need nearly 5 feet of the stuff so it would be pricey. 

 

I have ordered a couple of new blades Mikkel. Spent the afternoon revising the design so it will be a smoother cut rather than lots of small ones. Hopefully that will help a bit. 

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