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DRAFTSIGHT

If you need help on creating or dealing with a plan in dxf or other formats, then this is the place to ask.
Sean Fitzgibbon
Posts: 77
Joined: 11 Oct 2017, 18:53
Location: Mitcheldean

DRAFTSIGHT

Post by Sean Fitzgibbon »

I've just started to investigate this free to download CAD package from Dassault Systems.
For anyone familiar with AutoCad, it's a very comfortable transition, although it is only 2D capable.
I was looking for a project to practice on and settled on the Bowlus Super Albatross, as I've just purchased plans for the Baby Albatross and thought I'd continue the theme!
Finding any information good enough to use as a basis for a model was proving frustrating, although a good 3 view was passed to me by clubmate Roger Spragg, from the Martin Simons book.
An inquiry to the font of knowledge on all things vintage glider related, a certain chap by the name of Vince, (who you may know!), resulted in a set of drawings, measured from full size, appearing in my inbox within minutes!!

Sean Fitzgibbon
Posts: 77
Joined: 11 Oct 2017, 18:53
Location: Mitcheldean

Re: DRAFTSIGHT

Post by Sean Fitzgibbon »

Two quick photos of the start of the tracing process.
Attachments
IMG_20190123_132706-1664x1248.jpg
IMG_20190123_132806-1664x1248.jpg

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Barry_Cole
Posts: 1305
Joined: 10 Mar 2015, 09:30
Location: Hampshire UK

Re: DRAFTSIGHT

Post by Barry_Cole »

That's how I do it, it works for me.

:D :D :D :D

BC

Sean Fitzgibbon
Posts: 77
Joined: 11 Oct 2017, 18:53
Location: Mitcheldean

Re: DRAFTSIGHT

Post by Sean Fitzgibbon »

Great minds and all that Barry!

john greenfield
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Re: DRAFTSIGHT

Post by john greenfield »

Sean Fitzgibbon wrote:
23 Jan 2019, 13:35
Two quick photos of the start of the tracing process.
Are you tracing with lots of short straight lines to follow the curves or are you using "spline"s ?

AEB
AEB = Aeronautical Energiser Bunny (with thanks to CW)

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Barry_Cole
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Location: Hampshire UK

Re: DRAFTSIGHT

Post by Barry_Cole »

Or ARCs

:D :D :D :D

BC

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chris williams
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Location: Blandford Dorset

Re: DRAFTSIGHT

Post by chris williams »

Or Bezier curves?

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Barry_Cole
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Joined: 10 Mar 2015, 09:30
Location: Hampshire UK

Re: DRAFTSIGHT

Post by Barry_Cole »

chris williams wrote:
24 Jan 2019, 10:24
Or Bezier curves?
No. We are talking drawings here.

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RobbieB
Posts: 538
Joined: 07 Mar 2015, 22:22
Location: North West

Re: DRAFTSIGHT

Post by RobbieB »

SPLINES, POLYLINES, ARCS, BEZIER CURVES, struth - it's back to The Lord of the Rings here!

Sean Fitzgibbon
Posts: 77
Joined: 11 Oct 2017, 18:53
Location: Mitcheldean

Re: DRAFTSIGHT

Post by Sean Fitzgibbon »

Wow, all of you guys interested in curves!!
So, I've used arcs where a true arc seems to match, polylines for sections with longer straight elements and splines for the rest.
I've found that when trying to accurately trace the original, zooming in obviously gives you the problem of a pixelated image, so splines are handy to pick a multitude of points that can then be pulled to smooth out the outline.
I'll join it all into one polyline once I'm happy with the editing.

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