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  1. #21
    Quantum Mechanic ReMark's Avatar
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    You might want to consider abandoning your old way of doing things and explore the world of 3D. Draw the objects once and display them in any combination of views you require be it top, front, side, section, isometric or other. You are unnecessarily confining yourself. Come over to the light.....explore and embrace 3D.

    One other thing to keep in mind...once you have your 3D model you can extract any necessary 2D views from it using a variety of different methods. I think there are five different ways to do just that incorporated within newer releases of AutoCAD. They include:

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    SolDraw/SolView

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  2. #22
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    Quote Originally Posted by ReMark View Post
    You might want to consider abandoning your old way of doing things and explore the world of 3D. Draw the objects once and display them in any combination of views you require be it top, front, side, section, isometric or other. You are unnecessarily confining yourself. Come over to the light.....explore and embrace 3D.

    One other thing to keep in mind...once you have your 3D model you can extract any necessary 2D views from it using a variety of different methods. I think there are five different ways to do just that incorporated within newer releases of AutoCAD. They include:

    Flatshot

    SolProf

    SolDraw/SolView

    SectionPlane

    View Base
    Thanks for all the help/advice. Part of the reason I've continued to do everything in 2D has been time constraints. I have dabbled with 3D in the past, but I've had much more practice, and schooling doing things in 2D. I have more free time at work lately, and am going to try to get more accustomed to doing 3D stuff. I've been successful in figuring out how to create individual parts in 3D, but then I get overwhelmed trying to draw a tank battery (oil and gas leases) in 3D.
    I've got the helical threads thing down for the most part, but I might need to just stick with using the revolve command and manually draw the "threads", because the all-thread stud I drew in the drawing attached is 2 objects, a cylinder and the threads can be moved separately, and I get an error trying to use Union to combine them.
    3D Test.pdf

  3. #23
    Super Moderator SLW210's Avatar
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    For something like U-bolts and other parts websites like McMaster-Carr and Reid Supply will have 3D models and 2D drawings.
    “A narrow mind and a fat head invariably come on the same person” Zig Zigler



  4. #24
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    Quote Originally Posted by SLW210 View Post
    For something like U-bolts and other parts websites like McMaster-Carr and Reid Supply will have 3D models and 2D drawings.
    Hey thanks! That's very handy. I really want to learn to draw everything I can, but things like that will definitely help out if I'm in a pinch and have no time. I wish I could find someone that sold fiberglass fittings/pipe, and the various valves that had cad drawing downloads.

  5. #25
    Quantum Mechanic ReMark's Avatar
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    All I can add is that to become good at 3D you have to practice. Keep in mind too that not every drawing you do will require the same level of detail as evidenced by my U-bolt that did not make use of helical threads. Just because we're using CAD instead of pencil and paper doesn't mean we have to get bogged down with minutiae.
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    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  6. #26
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    I know ReMark, it's not the level of detail that really stumps me, it's just figuring out how to line things up. I used to do everything via command line, using exact coordinates to make sure things lined up right until I learned about osnaps, and relative coordinates, which greatly sped things up. With the 3D stuff the osnaps seem to hinder me some, I'm sure partly because of lack of experience. The only reason I really did the helical threads was 1: It looks cool 2: Learning (relearning) another way of doing things in autocad, and 3: It seemed faster/easier than figuring out how best to draw the triangles when doing the revolve method when drawing "1/2" the bolt to revolve it.

    Really I guess I should add 4: That I do tend to over complicate things, and get a little OCD about wanting things to be "perfect"

  7. #27
    Quantum Mechanic ReMark's Avatar
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    The method I demonstrated drawing a closed (half-width) profile of the threads required drawing 2/3rds of a triangle then doing an array. Hooked it all together using a single vertical line and two short horizontal lines then it was all over but the crying. Simple, quick and effective. I'm sure you could do the same. Were you so "OCD" on the drafting board as well? If so how did that go over with your boss? Did projects suffer (financially speaking) because of it?

    Re: lining things up. OSnaps still work in a 3D environment as far as I know unless AutoCAD changed something overnight. Being able to manipulate your viewing environment helps too. Are you aware you can have multiple viewports in model space that display different views of the object(s) you are working on?
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  8. #28
    Quantum Mechanic ReMark's Avatar
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    ModelSpaceVPORTS.jpg
    Model space: (4) equal 3D viewports.
    Top, front, side and SE isometric view.
    Visual style: Conceptual.
    "I have only come here seeking knowledge. Things they wouldn't teach me of in college." The Police

    Eat brains...gain more knowledge!

    I'm now a full member of the Society for the Promotion of Mediocrity in CAD. Standards? We don't need no stinkin' standards! Take whatever advice I offer and do the opposite.

  9. #29
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    Yeah I know about the different views, But my current monitor makes that difficult to see. I know Osnaps work in 3d, My problem in the past (from what I can remember) with osnaps was snapping to things on the other side of an object. Rather than the face I'm trying to snap to.

    As far as the drafting board... I never had that experience. I wear a lot of hats where I work, I'm the "IT guy", I've been stuck with advertising and marketing lately for Oil and Gas Trade shows, and my boss is one of those guys that thinks "Hey you know computers.... CAD is computer stuff.... figure out how to do this." I learned most of what I know following tutorials online, and learned more of the "under the hood" stuff when I took the class to get my certification. As with most things I get tasked with, I have to figure all this stuff out as I go. Sometimes it's easy to find help online, but sometimes I'm not even sure what I need to ask to solve my problem. That being said... projects never suffer from my OCD"ness", that's why most of my drawings (of tank batteries) are usually simple line drawings, using symbols for valves and such. But my boss has expressed interest in me doing more detailed drawings. I don't really have a problem doing elevation view and plan view drawings, but after seeing a few drawings in isometric view, he's wanting some of that from me as well. I usually don't have problems drawing the various stands etc... that we design. The only thing that really stumped me on this one was the u-joint. And my coming here for advice was for future drawings. The customer got the original drawing I attached in my 1st post, along with and explanation that that was the only was I could think to draw it on such short notice.

    As you can see from my last attachment "3D Test.pdf" above, I know how to do some 3D stuff. If you look at it there's a fiberglass tank flange I drew, mainly just to refresh my memory on that stuff. I think I need to start making a library of 3D blocks, and start messing with scaling and all that, and then take another stab at doing tank batteries in 3D rather than trying to figure out all the angles in 2D isometric. If this stuff where my primary job, I'm sure I'd be a lot further along now. I think it's about time to hit the boss up for a larger monitor. I used to have two separate ones, but lost one to our paint shop for their paint color matching computer.

  10. #30
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    gazza_au's Discipline Details
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    Good job ReMark, that's exactly how i would have explained it, sweep , revolve and union. I only attached the dwg of the U-bolts for an example as i didn't have any spare time.
    I think the OP is having a hard time with the snaps as he's not used to the UCS system, I'm sure there is a tutorial for him on this site

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