Offsetting continuous surface problem

Replies to This Discussion

Permalink Reply by peter fotiadis on March 3, 2015 at 12:37am

And this is one of the areas where ants realize that ... well ... you get the gist of the issue I do hope.

Of course (and until I rewrite that @##$ thing) you can recreate the mess (the Topology, that is) if you are familiar with TSplines (use Bridge as well). If you are not it's worth exploiting the next(?) step in subdivision modeling (if AutoDesk has any interest on that matter - my secret sources tell me that ... blah, blah).

Permalink Reply by peter fotiadis on March 3, 2015 at 1:07am

Kinda:

If TSplines was mimicking the Kings of all CAD matters (Siemens/NX, CATIA - what else?) as regards intelligent auxiliary coordinate systems (on the fly definitions) ... I could do it in 2 minutes. As it is it's utterly frustrating (because the edit mode is 10000% academic). 

Permalink Reply by peter fotiadis on March 3, 2015 at 2:19am

Anyway I never give-up (but I was that close in this case: WHAT TSpline people had in mind when developing that thing? WHAT exactly? Was it such a big deal a long distance call to Israel? (brain behind CATIA) or to UGS? (NX)).

Here's your stuff the manual way (in an ideal TSpline world: 2 minutes work + a proper double espresso + a proper cigar).

PS: For the other M things of yours (until the "new" V3) > don't call me > my nerves are in a delicate state right now, he he.

take care, best, TheBrokenNervesPeter

Attachments:

• what_TSpline_people_had_in_mind.3dm, 227 KB

Permalink Reply by martyn hogg on February 2, 2015 at 5:40am

There is some weirdness in some places but this was closer and it prints.

Peter, will your model work with "windows" in each mesh face?

Attachments:

• 3.gh, 13 KB

Permalink Reply by Chipa on February 2, 2015 at 10:21am

Hi Martyn, 

Yes this is working much better! Thank you for sharing. The best that I got so far with the exoskeleton :) Yes, it will print

Permalink Reply by martyn hogg on February 2, 2015 at 11:36am

great, post a photo of the print if u get chance.

Permalink Reply by Chipa on February 5, 2015 at 5:27am

Sorry for the late reply!

Yes I will , it will take a while until I print it since it is part of a large project.

Thank you again

Permalink Reply by ALBERTO FIGUEROA on February 2, 2015 at 4:18pm

Hi Chipa,

Is this a school project? I saw that you are from London and I'm considering taking a Master there (UCL or AA) and I asking everyone i run into.

Nice work btw

Permalink Reply by Chipa on February 5, 2015 at 5:29am

Thanks. No, sorry, no it is a personal project.

Permalink Reply by peter fotiadis on February 3, 2015 at 12:43am

will your model work with "windows" in each mesh face?

yes (that's very easy: the only thing that you have to do is to trim the "module" with a new interval):

... but the whole approach is under a total consideration in order to improve  speed (at it is is utterly pathetic - rather unworkable in real-life).

Here's a test using a classic "one face" (so to speak) Mobius band (one C# does the band and the other does the "impossible" offset/thicken).

more soon

Permalink Reply by Chipa on March 2, 2015 at 3:58am

Hi all,

This is a detail of what I got after printing the moebius like geometry, after applying exoskeleton. ( See image)

Now I need to do a printed version which is a solid shell (no subdivisions)

Peter Fotiadis examples looks that could work, I tried the first version that was posted but I can only see the normals/faces drawn but I can't get a solid shape of the geometry. Do you know what I am missing?

Thanks for your help!

Permalink Reply by Chipa on March 3, 2015 at 12:50am

Is this screenshot of a manual offset, and manual fix up?

I have tried in the past remodeling, bridging in rhino, 3dsmax, etc. I did not find it simple to shuffle points around. Yes I got T splines plugin for rhino, didn't do much 4 me in this case

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