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How to work out correct curvature

Discussion in 'Graphic Design Forum:' started by @GCarlD, Aug 1, 2016.

  1. @GCarlD

    @GCarlD Well-Known Member


    Hi guys,

    I am creating a design for the back of a mini, in the section where the union jack is behind the number plate in the photo above.

    I have the dimensions; top width, bottom width and height of the section but I am wondering how to accurately create the correct curvature of the corners?

    Same for the actual number plate, I can get the dimensions but how do I accurately create the correct curvature of the corners?

    Any ideas?

  2. hankscorpio

    hankscorpio Moderator Staff Member

    I don't understand the question.
  3. @GCarlD

    @GCarlD Well-Known Member

    Ok so take the number plate for example, let's say it is 524mm x 112mm, the corners are not at 90 degree angles, they are curved. How can 'work out' or know how much to curve these corners by in order to accurately create the exact same shape?

    It needs to be printed you see and fit in the section flush...
  4. Levi

    Levi Moderator Staff Member

    does the mini not have a 'domed' numberplate recess...

    Realistically you're going to need to work on an oversized flat vinyl wrap then 'shrink' it to the curvature using heat and then trim the excess off to fit the shape.
    @GCarlD likes this.
  5. hankscorpio

    hankscorpio Moderator Staff Member


    Right so .. this is what I'd do.

    There was a place I applied for a job that actually printed registration plates for vehicles.

    I'd go to the supplier and get the template from them

    Hope that helps.
    @GCarlD likes this.
  6. bigdave

    bigdave Moderator Staff Member

    The number plate should be quite easy... just go measure the radius of a car's numberplate with a ruler.
    The union jack may be more fiddly. Get in touch with a vehicle sign writer and ask if they can give you the dimensions.
    @GCarlD likes this.
  7. @GCarlD

    @GCarlD Well-Known Member

    Yeah the number plate isn't too big of a deal, it's the union jack section that's the problem. I actually spoke to Mini Cooper, but they didn't have a clue, couldn't even give me the dimensions of that section!

    I'll give a vehicle sign writer a go and see if I have any better luck. Any recommendations? lol

  8. @GCarlD

    @GCarlD Well-Known Member

    Thanks, it's not the number plate that too much of a problem, it's more the union jack section of the Mini Cooper One. But that link may be useful anyhow, cheers!
  9. @GCarlD

    @GCarlD Well-Known Member

    Thanks for that, I didn't even consider any potential 'domedness', I'll try and bare that in mind.
  10. hankscorpio

    hankscorpio Moderator Staff Member

    Oh jeez excuse my ignorance

    With the Union Jack the bleed is consistent. So it's cut when fitted, or while fitting - I imagine.

    You'd need an image that bleeds consistently on all edges.
  11. hankscorpio

    hankscorpio Moderator Staff Member

    Although that doesn't make sense and it would be a rough cut... damn my brain.

    What's the actual model of the car maybe there's some specs online?

    What I'd do here is put a sheet up on the panel and mark it out. And digitise it.
  12. bonsdes

    bonsdes Member

    When I've done vehicle graphics in the past I give the printer all the artwork elements and a visual of how it should look & they just sort it. I'd just be giving them the image you want with a fair amount of bleed and a visual of how you want it to look & they'll do the rest.
  13. @GCarlD

    @GCarlD Well-Known Member

    Mini Cooper One, I have found specs online for practically every part of the car, except that specific section.

    I don't have access to the car, so I can't mark anything out myself. I made a post in the 'What does everyone drive' thread, by the off chance that someone may have a Mini Cooper One and could help me out.

    Yes, I was going to provide ample bleed, but then I thought my client is going to want to simply stick it in place, not have to cut it out herself with a scalpel (if she has one) and potentially scratch her car in the process.
  14. bonsdes

    bonsdes Member

    ahhh…they're doing it themselves??!! Recipe for disaster surely :) I don't think it's that expensive to get it done properly…will look right and no stress!!
  15. hankscorpio

    hankscorpio Moderator Staff Member

    Stationery Direct and @GCarlD like this.
  16. hankscorpio

    hankscorpio Moderator Staff Member

    Might have to be a bit more precise than I was - a few seconds I spent on it.
    @GCarlD likes this.
  17. @GCarlD

    @GCarlD Well-Known Member

    You are unbelievable Hank, thank you so much.

    Client sent me these dimensions for the union jack section:

    Top width: 28 inches
    Bottom width: 23.5 inches
    Height: 8 inches

    How accurate do you think the curvature (starting to hate that word lol) is in your mock up?

    Would it be a case of now simply resizing to the above dimensions while keeping your curves consistent?
  18. @GCarlD

    @GCarlD Well-Known Member

    As a matter of fact, on a closer inspection, your template isn't far off the dimensions I was given! Incredible.

    Just a bit worried about the accuracy of the corners...
  19. hankscorpio

    hankscorpio Moderator Staff Member

    It's the actual spec of the Mini - I'd say it's accurate.

    Unless you can get out there and measure it yourself, you need to say it in the email that it's best guesstimate.
    @GCarlD likes this.
  20. @GCarlD

    @GCarlD Well-Known Member

    Thanks a million Hank! Hitting that like button is not enough. I'll remember you if I become a millionaire (y)

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