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Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Gun Freak » Mon Jul 11, 2011 1:25 pm

Lol goes to show that nobody has been using this model :lol:
It also happened on the file containing regular female brass elbows.
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Unread postAuthor: dewey-1 » Mon Jul 11, 2011 2:13 pm

Thanks for discovering this problem. It has something to with feet rather than inches in the template files. I noticed the 1 inch grids are 12 inches and the 2 inch grids are 24 inches.

I will resolve the problem. It may take a day or two. Which ones do you need done first? Like I said you can scale them if needed quicker.

I find it hard to believe no has mentioned anything in almost 2 years! :D
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Unread postAuthor: Gun Freak » Mon Jul 11, 2011 2:49 pm

Me too! :D I'm not in a hurry, I just was on this thread and I though I'd try to model my gun. No rush, take your time. Thanks!

Edit, 1/4" iron fittings are on a 12" scale also.
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Unread postAuthor: dewey-1 » Mon Jul 11, 2011 3:58 pm

I found a simple way to do the scaling.
Open up the file, use the ruler on the grids at endpoints. it will show 24 inches on a 2 inch, then type in 2.0 and it will ask to resize, say yes and then save file.

After that click on Window>Model Info>Units>Format>Decimal>Inches>Precision 0.0000 and close window and save.
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Unread postAuthor: Gun Freak » Mon Jul 11, 2011 4:11 pm

The way I was getting the scale down to one inch (from 12 inches) was select all, scale tool, I grabbed the corner and typed .3333. That brings the scale to 4 inches, then you repeat but instead of .333 I typed .25 and that brought the scale down to 1". Seemed to work for me, so I saved them.

Jeeeez that took longer than I expected. 3D is so hard to work with. :tongue3:
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Unread postAuthor: dewey-1 » Mon Jul 11, 2011 6:08 pm

3D takes a bit to learn but the results are so much better for visualization.

I think I got the all the problem files corrected.

If you find any other problems let me know!
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Unread postAuthor: dewey-1 » Wed Jun 20, 2012 3:36 pm

Here is a blowgun I added to Sketchup collection.
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Unread postAuthor: bflmpsvz » Tue Sep 25, 2012 5:42 am

Hello, dewey-1!
Your sketchup models, like
http://sketchup.google.com/3dwarehouse/ ... revstart=0
has interesting style of 2-1-2-1.. visible lines on curved surfaces, which seems to me better than all lines "soft" and "smooth". Would you reveal please how do you do this?
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Unread postAuthor: dewey-1 » Tue Sep 25, 2012 8:58 am

The visible lines on a 3D model can vary depending on which type of renderering scheme is used. See chapter 3 section 5 Examples.
http://people.csail.mit.edu/fredo/Depic ... aphics.pdf

All my models were imported into Sketchup and the results are what you see.
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Re: Question

Unread postAuthor: jrrdw » Tue Sep 25, 2012 9:06 am

bflmpsvz wrote:Would you reveal please how do you do this?


Practice, practice and practice some more! I've been going through the training video's myself and it does take practice. The devil is in the details. Smoother line can happen by adjusting the degree of view. If you use the orbit tool and spin your model and watch the lines you can see them get jagged then smooth if that's what your referring to.

If your talking about mating surfaces of 2 components it matters where you grab on with the move tool. Using guide lines made by the measuring tool helps big time...
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Unread postAuthor: bflmpsvz » Tue Sep 25, 2012 3:18 pm

I am talking about the particular model. When I make a simple cylinder in Sketchup, if I see it perpendicularly to its axis, it's hard to say if I see cylinder, cube or even rectangle. But with lines collateral to axis, it is much better. I could let explode the whole model and make all lines visible, but usually there would be too much lines. Your model seems to me like good compromise.
But now I suppose this feature of our model was created in other software, and that there is no tool in Sketchup like "make visible every Nth line"...
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Unread postAuthor: dewey-1 » Tue Sep 25, 2012 5:11 pm

Click "View", then check "Hidden Geometry" and you should get the lines you are asking for.

This is the first time I even drew in Sketchup.
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Unread postAuthor: jrrdw » Tue Sep 25, 2012 6:50 pm

dewey-1 wrote:This is the first time I even drew in Sketchup.


How do you like it compaired to what you're use to using?
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Unread postAuthor: dewey-1 » Tue Sep 25, 2012 7:53 pm

jrrdw wrote:
dewey-1 wrote:This is the first time I even drew in Sketchup.


How do you like it compaired to what you're use to using?


I do not like it!
Once you use a higher end CAD program you actually realize what is missing in Sketchup.
It maybe alright for a beginner but not someone with CAD experience.

Sketchup Pro probably has a lot more features.
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Unread postAuthor: bflmpsvz » Wed Sep 26, 2012 8:34 am

dewey-1 wrote:Click "View", then check "Hidden Geometry" and you should get the lines you are asking for.



Sure, but there are 5546 edges in your schrader-valve model. Setting manually entity info for each of them, it would be very ineffective...
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