I am drawing an assembly and when i change the dimension of something, that dimension change in the 3D model as well.
Someone know if i can modify this behaviour?
Simply overwrite the values but why you want to do that?
I would definitely agree with what Deepak Gupta has mentioned. Though if you need alternate dimensions you should consider a Configuration of that part. A configuration would allow you to have two parts (or many more) of the same part with different lengths. This would occur in the same part file. Actually many different things. They can be different hole sizes, thicknesses, virtually any change or modification necessary.
Thank you very much for your help
Thank you, your answer helped me a lot
I am curious......what reason could you have for doing something like this?
(I can understand for a quick "show me" to a person or something, then modify models later, but if this is a permanent change, then you need to be VERY careful).
Just because you can, it doesn't mean you should.
But probably means one will..........
Don't do it!
You don't want to override the dimension text. Once you start doing that, you don't know what your part is really going to look like, or if it will fit in your assembly. Avoid trouble and do it right, and the parts will work.
If you need a drawing with that other dimension just REDLINE it. Yes, just use a red pen and save yourself a possible issue that could be something really embarrassing later on.
Why are you wanting to change any dimensions on the drawing?
If you want to use alternate dimensions (inches vs. metric), different number of decimal places, different format (architectural vs.linear), different drawing scale, etc.
These are available as options in you dimension settings.
You should never need to change the dimension on a drawing except for these type conditions.
If you change a dimension on your drawing - it will mean that the part / assembly you made is not correct to begin with.
You should correct the part / assembly and your dimensions in the drawings will automatically be corrected.
Please explain more and show an example.
You are on a road to disaster if you change your dimensions on drawings.
I had a dimension with a high precision and i wanted to change it.
Ah, Got it - that is a perfectly acceptable and extremely common change.
Sorry I misinterpreted your question - it sounded like you wanted to change the dimension value itself rather than the precision. I think some other people also thought this is what you were meaning.
I have never looked at my parts after changing the dimension precision so I have not noticed that they will change precision on the part.
I typically just have all my tolerances on the part set to a default value and then adjust the drawing tolerances as needed.
In theory, if you dimension a length at 5" on your part it should be exactly 5" in the cad part and the drawing is where you would be showing the tolerance required to make the part (unless you are using MBD (Model Based Definition).
Rick, If you don't mind me asking, is that a wire form? I also totally missed the question.
No, it is a small portion of a prototype part I designed and 3d printed as a tool.
Don't want to be too specific because, if I can perfect it (this one had some problems in the performance I wanted) I might try to do a series of similar ones and sell the design (personal project I did at home). The edges are actually a full tangent propagation fillet.and I didn't hide the fillet edges.
Thanks Rick! I know what you're talking about, personal projects that is. I have a couple going right now, already 3D printed the prototype assembly and now going back in finalizing the design. I'm doing things like replacing a slip, rotating fit in the proto with a roller bearing and adding in the flange bearings. Things you don't need in the proto because their plastic and they slip anyway. Have you read Stephen Key's book, One Simple Idea? The next step for me is to get a time with a local company to present it for their approval and (hopefully) offer. Of course I'll file a provisional patent application first and present it with an NDA.
My next one is ready for 3D printing too. You know how better ideas come right after you send them out right? LOL! Good luck with yours!
This one had been in my mind for a while (before I had 3D printer access) but I never did much about it. Then when I had another project that I could use this idea on I started the design, revising it several times as the design took shape.
Then I put it to use and it worked and made the job much easier but I quickly recognized some improvements that it could use.
I had some other somewhat related tools I made and found I made them much more complicated then I needed but also found some shortfalls. I know what I want to change there but haven't had the time. I will be using these in a few months again and will hopefully find the time to revise the design and print them.
It's also a learning experience - designing for 3D printing and making some other tools I have work in a different way then designed but some of these can be used as add-on's - if I make them work well.
As you say, very important to have the provisional Patent and the NDA. My boss has done a few of those and he will help me through them when I am ready. I don't expect these things will make me rich - just might let me add some Jelly on my bread and butter. But - you never know!. Definitely won't happen if I don't try.
Bernie Daraz - Rick McDonald Ahh... Product Line Development - One of the most exciting things to do in life and my hat is tipped to those that succeed, because I know how hard it is getting things to market.. I actually wrote a series for a local monthly magazine years ago called Design to Market and basically summarizing the process, from idea to marketing. In the end I had numerous potential projects that went no where, one patented item that was given away and never went anywhere (that's a long story) and another good product that was ready for market in 2009 and that took a huge hit because the bottom dropped out of the financial market. Always excuses right... I had numerous projects for other people as well, where they thought they had a patent-able product, only to find out through searching the Patent Office that the product was already thought of and patented, there must have been at least 6 projects that ended abruptly because of it. Having said that, did you do a comprehensive search?, figure out the SIC code where the product might fall into and use those codes to search, this can save a lot of Patent Attorney fees..
Good morning John!
I had a success a while back though not in line with a Pet Rock or something like that. It's very true what you say about the search and how much that could save you if you just went the standard route and just started filing a patent with a patent attorney. Like a lot of people I can fall in love with an idea after spending 4-8 hours designing it. After that a search is done using Google, depending in the results of that I would use a search firm next. If nothing similar pops up I would then go the non-provisional patent application route. With times being how they are I have been investigating producing a prototype and then trying to license it to a potential company all while filing a provisional patent application. I would also require a non-disclosure agreement, these might be referred to a 'mutual' because the company may also disclose some internal 'secrets' during the presentation.
Recently I had the 'bright' idea that it would be great if we could more easily scroll on our phones without the constant dragging. My thought was that using the sensors available in the phone we could just 'tilt' the phone in our hands. Using familiar hand gestures, forward, backward, left and right. Well, Facebook had already patented that. They could give us that feature in a future software upgrade at virtually no cost to them.
A while back I had an improvement in mind for your average paper shredder. After 40 pages of searching in Google someone had developed that and the government 'grabbed' the idea through a process that was intended to protect national security.
Many people don't understand that their ideas could be 'rejected' just because it can be 'assumed' that the idea was part of another application or patent.
Even more recently I read of another showing his idea of packaging food stuffs in plastic bags in containers that suggested it would keep food fresher and allow the containers to be reused. Well, we already recycle and the baby bottle from many years ago already used a plastic bag, though in this case it was to limit air intake by the baby.
To me patents are not for those of weak will or finances.
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