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Aventador body plug plans

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plans4sale:
 Hi all, a major update is coming after several days! ::thumbup I'm back to work.

plans4sale:
UPDATE
 
  Current pre-order price for the Aventador body plug plans is 150 USD / 110 EUR. From 22 September they will cost 200 USD / 150 EUR.
  People who already purchased or pre-order my Aventador chassis plans before 22 September will receive the body plug plans for free.
 
  The 3d Mesh game model from "Forza motorsport 4" which I heavily modified in the recent months is no longer used for extracting the cross-sections. It was too much pain to work with it to make it accurate. Instead, I'm designing a completelly new 3d model using NURBS, in order to achieve best possible accuracy/surface quality of the body and cross-section drawings for building the plug. This lead to about two-week delay in delivery of the plans for the sake of accuracy.
 
 (WIP. Front end and doors to be ready in a few days)
http://imageshack.us/a/img163/6682/omsd.png
http://imageshack.us/a/img812/7403/g86j.png

 (Zebra analisys of the body shape reflections)
http://imageshack.us/a/img22/2500/1s7d.png
http://imageshack.us/a/img51/6816/rycj.png
http://imageshack.us/a/img443/356/gzdr.png
http://imageshack.us/a/img196/7589/2m1a.png

 (Zebra analysis comparison of the game 3d Mesh model, the NURBS model, and the Mesh model extracted from the NURBS one. Even after lots of improvements, the game model is still far from perfect. On the other hand, my Mesh model extracted from the NURBS model has the same accurate reflections and surface evenness like the latter)
http://imageshack.us/a/img692/7136/i0jd.png (game Mesh model)
http://imageshack.us/a/img713/1702/i6aa.png (NURBS model)
http://imageshack.us/a/img842/4222/63xn.png (Mesh model extracted from the NURBS model)

 (Wireframe comparison between the NURBS model and the Mesh model extracted from the former. Note the clean border lines of the NURBS model that make it very easy to see through the geometry)
http://imageshack.us/a/img32/7311/7jke.png (NURBS)
http://imageshack.us/a/img7/8384/uw6d.png (Mesh)

 (Batman)
http://imageshack.us/a/img191/6736/p008.png
http://imageshack.us/a/img202/1392/sv1x.png



 
  When I finish the exterior 3d NURBS model of Aventador, it will be available for purchase at two prices depending of the geometry type. Both ways, this will include my Aventador body plug plans for free, saved in a separate AutoCAD files that will allow to import them individually over the car's 3d model.
 
 a) 400 USD / 300 EUR (or 200 USD / 150 EUR for loyal customers): STL / 3DS / OBJ / MAX file, 3d Mesh model extracted from the NURBS model. In short, it will have the same high-quality shape and proportions as the NURBS model, but will be made out of high-density polygonal mesh consisting triangles and rectangles. It could be used for: extraction of spline cross sections based on thousands of straight segments (imagine and arc made of lots of straight segments); or CNC-milling. Not suitable for easy editing of the geometry since it's not NURBS.
 
 b) 1000 USD / 750 EUR (or 600 USD / 450 EUR for loyal customers): 3DM / IGES / STEP file, 3d NURBS model made out of clean surfaces with optimised topology and minimum control points, allowing for: easy editing or adding extra NURBS geometry; extraction of perfectly smooth NURBS cross sections; or CNC-milling. In addition to this, when viewed in a 3d program, the NURBS model's geometry could be made totally invisible leaving only the border lines visible, for easier navigation in case of editing or working with other 3d models in the scene, such like chassis or interior.

plans4sale:
 Important update for all of my customers who pre-ordered the cross-section plans.  :) As the creation of the plans require wast amount of additional manual editing of the extracted cross-ections to be recreated from straight lines to smooth curves through interpolation, I decided to not use the 3d Mesh model of the game for this purpose. Instead, I will create a high quality 3d NURBS model of Aventador and directly extract perfectly smooth cross-sections from it. The bad news - there will be about 10 days of delay in the delivery of my plans; The good news - the drawings will be of higher quality and more precise as the NURBS model will guarantee smooth surfaces of the body anywhere. 3d Mesh models are pretty weak at this department. I already started with the creation of NURBS model and it takes slightly more time than working with the cross-sections of existing Mesh model. In a few days the cross-sections for the front end will be available for my customers, and I will send next sets of plans every few days. :) The NURBS model will also allow me to make you HD videos with close-ups of the important details that will help you to better understand the proper shape of the design during the building of the body plug.

 Difference between 3d Mesh and NURBS model are shown below:

 On the first 3 images, blue&white test stripes are applied to the NURBS model at the right side, and to the Mesh model at the left side. The smooth stipes clearly show the advantage of the NURBS model.
http://imageshack.us/a/img841/3879/z9y.png
http://imageshack.us/a/img855/7148/7h4x.png
http://imageshack.us/a/img716/5179/3w7h.png

 Here, the NURBS model is coloured in white, while the Mesh model is red.
http://imageshack.us/a/img824/2917/84zn.png

 On the next images I applied black&white test stripes to the whole Mesh model to show how it looks now, after the many improvements I made over the original game model. After a week or so I will post similar pictures of the NURBS model from similar angles, to show the differences.
http://imageshack.us/a/img13/6340/r3dc.png
http://imageshack.us/a/img837/9125/zm18.png

 And here is almost ready NURBS model of the hood.
http://imageshack.us/a/img20/5549/pl33.png

plans4sale:
 If I remember correcty, the central tunnel of Fiero was something like 200 mm wide. On my Aventador chassis I leaved about 160 mm wide free room inside the 200 mm central tunnel, with 19.05 mm or 3/4" (US spec), or 20 mm (EU spec) wide tubes as reinforcement at both sides.

SchulzeA:
I need as much space as I can get in the transmission tunnel. It would be constructed of carbon fiber and core.   Maybe just building a new floor structure that works with the steel chassis will be a better route.
Sorry to post in the middle of the Aventador thread. Figured I'd give it a little bump  ::tongue

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