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That's pretty much the way I do it. I'll model a single tooth (It doesn't have to be fancy, but the geometry is pretty simple as are the tooth calculations.) & as Richard says, make a circular pattern of that tooth profile. When you try to import all those segments from "Imported geometry", you...

.I've decided to move this topic here, out of my 2D CAD thread. @petertha: When I import a sketch into Pro-E (& this is not a sketch created in ACAD or else ware, but totally in Pro-E)), it gives me options as to scaling & placement. I can select an orgin or (X0Y0Z0), & put it exactly on the...

I was afraid this whole post would go down the "Rabbit hole" & totally lose sight of the MAIN subject in the TITLE of this thread. I was PISSED at first, but as more posts came in, I started paying more attention to how you users combine 2D/3D, & there have been some great examples provided. I...

WOW! Just AMAZING work George! John

Jason also mentions about sections & hiding parts. In my software (Pro-E), I can click on a part, right click & hide it. This helps immensely when in big assemblies. You'll figure this all out... Gordon, my first 3D CAD project was a little oscillator from "Little Machine Shop", I can't find...

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That's AWESOME Gordon! You're catching on! I'm glad you're sticking it out. As Jason mentions, instead of assembling ALL the individual parts, create some sub-assemblies & then assemble those into your model. Please understand I've never ran Alibre, & can only comment on a "Workflow" I'm...

Ughhhh....

Guess how "Experienced users" started out? Yep, same as you. Show me a 1st time 3D cad user who didn't want to smash the keyboard...Well, you get it. Keep at it Gordon, you'll "Get it too", & when you do, you'll enjoy using 3D. Yep. Just like that. John

Great work! Was this the first (engine) design you've done in metric? I know you designed a lot of engines with your "standard" imperial bore/stroke combo. John

Importing images into ACAD: Under (I believe "Insert") Once in ACAD, it comes in at some weird scale (& I don't even care what it is.), & then I re-scale it there, using, guess what? The SCALE command. I usually have a dimension on the drawing I can use as a reference, say a flywheel Dia. of...

I was wondering if this might be an interesting topic for some of you. Not everybody has moved into 3D design & many of you still use 2D & have a lot of experience in it, be it ACAD, Draftsight, ETC. I would like to start this thread off by saying that I personally don't want to hear "How you...

Yes, I understand your frustration, BUT... The whole point of what myself (& many other users here) are saying, is that you DON'T need a "Secondary" CAD tool to achieve what you're doing. Like mentioned (many) times before, the sketching tools in the 3D CAD program are VERY good. I can't...

Owning 2 different (2D/3D) cad programs is probably more common than you think. As a "Contractor", you may have clients who only work in 2D, & give you "roughed in" mechanical designs to finish in your 3D package. Another example is, I started in 2D ACAD & had that. As the trend progressed to 3D...

Nice work Peter! You get it. Nice little project & model! Like I think I mentioned, I haven't ran SW in years & use Pro-E, so I can only speak with that softwares "terminology". To create that kind of beading, I would use a "swept trajectory" along that curve (the cut out). I would choose...

Was the "Hi-Po" a single plane manifold as well? You know you're going to have to do the Cobra air cleaner & valve covers right? John

Fantastic work! Beautiful model & machining! -Great memories as well! I rebuilt a 289 for a 1968 Mustang coupe I once had, great little engine. What exactly were the differences in the "standard" 289 & the "Hi-PO" version? If I remember correctly (which I don't some most times..), it was just...

I think you should try the sketching tool in SW. It's probably not as hard as you may think. Like I've mentioned, they're aren't too many things you can't create there. I'm not dismissing 2D ACAD, it still has it's uses, & I can probably show you some "old dogs" some new tricks about using...

C'mon. All you 3D CAD junkies. You all have so many opinions, but I'm seeing little examples of your work, besides Pat & Jason. Would like to see some of the examples expressed in your posts.

I don't agree with many things mentioned here. But as Pat mentions, everyone has their "method". My opinion is this: 3D CAD is a great tool. & with over 25 years of using it "professionally" designing "Things" (industrial, medical..) & as a hobbyist modeling/designing engines, I have not come...