parting sizes
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 From:  BurrMan
4510.6 In reply to 4510.2 
Hi Michael,

"""""""""A couple of things to be aware of about the object properties size display in MoI - the one that is displayed at the top level of the object properties panel has a reduced number of decimal places in its display in order to make it possible to it all on one narrow line in the UI. Also on top of that the bounding size there is a quick calculation just based off of the display mesh of the object. Since that line is updated every single time you do any kind of selection it has to produce an answer quickly and can't do the full detailed analytic calculation there, otherwise your machine would be doing tons of number crunching every time you did any kind of selection.""""""""""""


I have mine setup to show all my decimal places in that upper right corner. but didnt know it was using the display mesh calculation there..



""""""""""""But when you click on that line, it will pop open the edit size dropdown - that one not only has more decimal places displayed but it also goes through the higher accuracy calculation as well for the data displayed on the little dropdown menu. So pop open that menu if you want to see a higher accuracy size display.""""""""""

That was it... Popping out the edit size shows an accurate split... The top level properties display was showing numbers out of sync...

Yes, my CAM package reads all the raw "bounds data" and I have to extract the models actual "edges" to get a good read of where surfaces actually lay... I was being confused on my results and going back and forth and got lost.

Thanks for looking, this should get me going.
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 From:  BurrMan
4510.7 In reply to 4510.5 
Hi Michael,
Just to be clear, I have to have the "tops" of the 2 halves be placed at "Z 0" to go into the CAM package.. (See the little scaled down blue halves) over at origin..

You answered it well with the edit size precision.. The issue was I was reading the upper right display properties.. If you set that to 4 digits, you will see the 2 different numbers...
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 From:  BurrMan
4510.8 In reply to 4510.7 
I'll make a short video to show some of my process and be clear.. There may be a couple areas to comment on with regard to my method.
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 From:  Michael Gibson
4510.9 In reply to 4510.8 
Hi Burr,

> I'll make a short video to show some of my process and be
> clear.. There may be a couple areas to comment on with regard
> to my method.

Do you mean you're worried about your current process for rotating and positioning the blocks after the boolean is done?

Object snaps on to the corners of the box using the Move command should be highly accurate for the positioning part, and it should be fine to just use the rotation edit handle to flip the one piece by 180 degrees in the Front view.

- Michael
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 From:  BurrMan
4510.10 In reply to 4510.9 
Hi Michael,

""""""""""Do you mean you're worried about your current process for rotating and positioning the blocks after the boolean is done?"""""

I've always used those methods and had great results.

It was just this particular job where I started to go back and forth and had some confusion.. I dont want to go to much into my CAM package and its methods because that is not the purpose of this forum.. Let's just say that if I was in front view and drew a curve with pick points "above Z zero" though the resulting curve is well below Z zero, the CAm package will read the top most "control point" as the height in Z... But you can rebuild it to show it's true Z value.. This is the same for surfaces and bounds data. The edges of the surfaces will show at the proper height, though the entire surface will show a bit more.. It's usually .002 in all directions, but with this model, IGES wouldnt produce proper results, but SAT did.. (A translation issue)

This video can show what we were discussing before, that you straightend out with the edit properties dialogue, but I wanted to show my use of the boundingbox command for placing an object, and what I saw here, just to get clear for myself.



I am always sure of MoI's accuracy. I was just thrown a little here...
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 From:  BurrMan
4510.11 In reply to 4510.10 
Thanks for looking at the file Michael...

Just got back from my brothers where he finished the mould.








Shapeways demo part seen in it:







The Rapanui man made this so easy!!!!!!!

EDITED: 19 Jun 2012 by BURRMAN

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 From:  Frenchy Pilou (PILOU)
4510.12 In reply to 4510.11 
What are these little pieces ? (if it's not a secret)
Arraw darts metal end for this ?
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  Michael Gibson
4510.13 In reply to 4510.11 
Looks like it turned out great Burr, thanks for posting the machined part, it's always cool to see that!

- Michael
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 From:  BurrMan
4510.14 In reply to 4510.12 
Hi Frenchy,
"""""""What are these little pieces ? (if it's not a secret)""""""""""

That is a mold for inserts for fishing lures... Lead will be poured into them, then the piece will be encased in a larger resin object with a skirt attached... Their will be a brass tube placed in the mold before pouring..... :o
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 From:  Frenchy Pilou (PILOU)
4510.15 In reply to 4510.14 
This sort of thing? (of course more elaborated :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  Mauro (M-DYNAMICS)
4510.16 
Great !
i rememeber you posted lure rendering in the gallery
Is it aluminium the mould you are machining ?(i don't see liquid refrigeration for the tools )
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 From:  BurrMan
4510.17 In reply to 4510.15 
Hi Frenchy,
Yes. It will look more like these when done





A guy will paint them up, then they are cast in resins or epoxies.. You would be great at it.. The fishy's like colorful, apparently!!!! :o

EDITED: 19 Jun 2012 by BURRMAN

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 From:  BurrMan
4510.18 In reply to 4510.16 
""""""i rememeber you posted lure rendering in the gallery
Is it aluminium the mould you are machining ?(i don't see liquid refrigeration for the tools ) """"""""

Thanks M....Yeah, thats it... The mold is aluminum. There is an air-mist coolant system (see the nozzle in the pics). You probably dont see any residuals because he blasts air to clean it just before a picture....
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 From:  Frenchy Pilou (PILOU)
4510.19 
Seems a domain very colorful and diversified!


EDITED: 16 Sep 2011 by PILOU

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 From:  BurrMan
4510.20 In reply to 4510.19 
Nice one Frenchy...

I suppose it is the result of Man imagining what a fish would enjoy!!! lol
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 From:  BurrMan
4510.21 In reply to 4510.20 
Hi Michael,
I was wondering if you caught the part about the bounding box use in the video.. Sorry, I kindof packed a bunch of stuff in there..

If you could refer to this video in this post here:

http://moi3d.com/forum/index.php?webtag=MOI&msg=4510.10

and just jump straight to 3 minutes in, and look at the bounding box result with regards to this model I sent...

Thanks..
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 From:  Michael Gibson
4510.22 In reply to 4510.21 
Hi Burr yeah sorry I didn't get a chance to go all the way through your video, I wasn't really sure if I was supposed to be looking for something in particular in it.

So yeah what you show there at the 3 minutes mark does not look like just a display glitch, that certainly does look like something isn't right there.

Could you kind of give me a shortcut overview of what seems to be wrong there, is that from using the BoundingBox command on the boolean cut pieces?

- Michael
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 From:  BurrMan
4510.23 In reply to 4510.22 
Yes it is the BoundingBox command.. Run on the 4 diffing objects. It seems to leave a bit of all their edges out of the box..

I have tried to re-create it with spheres and such of different sizes though I always (as before) get a good bounding box definition..
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 From:  Michael Gibson
4510.24 In reply to 4510.23 
Hi Burr, yeah that looks like some kind of bug in the bounding box calculation - I'll investigate it.

Thanks,
- Michael
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 From:  BurrMan
4510.25 In reply to 4510.24 
Ok... So some steps may be "model basic shape at actual size, scale up to make trims and blends. Possibly throw in a shrinkTrimmedSrf as well (or possibly A Seprate-ShrinkTrimmedSrf-Join)....

If much after that, it may be just an anomoly with multiple iterations of this particular model, as I havnt seen this before and I use that command all the time. Just wanted to be sure that this wasnt the expected result at this time... Thanks.
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