Green Toaster's Car Sketches
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@unknownuser said:
anyway how u gonna turn the weels i didnt see any axel there?
There are two methods which can either work together or separately:[1] - pivot arms, which pivot the drive wheels a total of ~30 degrees
[2] - drive wheels, which can operate much like a tractor (right side spin in reverse, left side spins forward - this combination makes the crawler turn right - all computer controlled)
I'll set up the crawler and post some illustrations with the pivot range maxed out - what do they say, a picture is worth 999 words?
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. . . like this . . . wheel turning capability = ~7.5 degrees in either direction at each pod . . . cnc w/separate motors eliminates need for differential, tranny, et cetera . . .
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. . . revisiting the stitchy front end technique . . . this is another 6 minute quick sketch during class today . . . fun, fun, fun . . .
Happy Sketching,
Brad
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that looks almost as if youve sawn the top of a box van and merged it with a sportscar
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. . . I've gotta start taking more time with the roofs . . . this roof & glass is awful . . . I find it very helpful to use layers when modeling new parts that intersect with others . . .
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. . . another not so good roof . . . it really must be frustrating for those who are really good with this stuff to see my slow progress . . . oh well . . .
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. . . this was really funny - I changed my construction technique a little and tried some new stuff but didn't model around the wheels & tires - when I put these in later (after cutting the wheel wells), the result was humorous as the wheels & tires are way small . . . of course, this is not big deal to fix, but it emphasizes the importance of proportion . . . I guess . . . without specific details (hood lines, & so forth), sometimes the "pre-smoothed" version looks best . . . there's something about that raw, chiseled look that I like sometimes as in the bottom pic . . .
Happy Sketching,
Brad
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. . . one of my least favorite vehhicles is the "mini van" . . .
. . . so, of course, I sketched one up super-quick . . . lots of missing details . . . models as ugly as this don't make you think twice when deleting them . . . on to the next one . . .
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it has a lot to do with faces and such... I model cars in 3Ds Max and it's no picnic there either... here is what I do in 3Ds Max that you can apply to SU:
- Use Blueprints to Model from.
- Create faces and move the vertex of each corner to match the blueprints.
It sounds simple and 3Ds Max is great for car modeling, but I'm sure some advance SU users can do this in their sleep...
btw, your model is looking good so far!
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CADken - thanks very much for your contribution - fabulous!!! I'll try that technique - the only orthographic views I found were of an Audi which were used in a Rhino tutorial.
Is there a great source for finding a bunch of 3 views of cars?
Thanks for your comment - I'm trying, it's frustrating & fun at the same time. My progress is slow . . . posts like yours are very encouraging - this keeps me going and teaches me how to do it the right way - that's cool.
Happy Sketching,
Brad
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@greentoaster said:
CADken - thanks very much for your contribution - fabulous!!! I'll try that technique - the only orthographic views I found were of an Audi which were used in a Rhino tutorial.
Is there a great source for finding a bunch of 3 views of cars?
Thanks for your comment - I'm trying, it's frustrating & fun at the same time. My progress is slow . . . posts like yours are very encouraging - this keeps me going and teaches me how to do it the right way - that's cool.
Happy Sketching,
Brad
in my travels: http://www.smcars.net/ and http://www.the-blueprints.com/
these are two sites dedicated to modeling cars and anything for that matter with blueprints... they both have great databases for car blueprints... i have a few Acura car blueprints handy, as well as a few Honda blueprints.
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. . . I haven't taken time to try the method with the 3 views - just wanted to finish the body of this car . . . will finish the roof later . . .
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it s easyer to make ur own cars,i build 3 models with blueprints the ferrari mythos,vw scirocco and the fiat stylo,they go greatbut u need more skills,that doesn t mean that u can t build something nice
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@unknownuser said:
they go greatbut u need more skills,that doesn t mean that u can t build something nice
Yes but my car modeling technique thus far hasn't resulted in anything very impressive. I think I might learn something new which could help - one 3 view won't hurt - the distraction might be helpful. -
So, a student doubts I can draw a car in five minutes . . . so, of course, I take the challenge . . . this is literally a five minute car . . . excluding wheels & tires . . .
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. . . so . . . I thought I'd try modeling a car based on a quick hand-generated sketch . . . created the quick sketch . . . created a projection screen . . . tossed on the image . . . here goes . . . will post the results on Friday . . .
Happy Sketching,
Brad
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Wow! That's really, really difficult!!!
. . . so, I ended up slashing around a few sloppy lines - just something very quick to create this front end . . . I'm not defeated - I will try again to create a car like my hand-generated sketch . . . wow, this is a real challenge!!! 
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. . . well . . . this is sort of getting near the goal . . . not really, but I'm happy I got this far . . . obviously, significant tweaking is in order . . . no problem . . .
Happy Sketching,
Brad
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is quiet good to have a sketch in front of ur eyes,but if u really want to do something nice,use blueprints,
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Last night I bought a Porsche 911 1/24 scale plastic model . . . it's a little complicated, so, my wife bought this one for me thinking I might be able to model something a little easier . . . I am just eyeballing this one . . . no measurements . . . we used to have a blue one very similar to this year 1970 . . . it was blue & white . . . my wife cried the day we sold it . . . really . . . I was jumping for joy . . . this project is fun . . .
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