Wednesday, May 14, 2014

Can you recommend a guide and software for making 3D objects?




Tomas


My idea is to take photos of bones (scapula, femur...) from different angles, run them through a software which will somehow combine them and make a 3D object in space, that i can rotate and add annotation (tags?, description for different parts of bone)

I am not a programmer and i need something easy.

Do you have any ideas? :)



Answer
photos are 2d. you can get depth, but not 3d. you need a 3d scanner like a next engine 3d scanner they run $3000. the web site is pretty cool, it will show you how to scan and print. the printer in the web site is is a year old and now they have much better printers with more options on materials available.
for software you will need a program like Solidworks. it is #1 right now for 3d. it is what Pixiar animation use and many large companies. there are other programs, but after my research for myself most will not talk to the scanner. down side is cost and you need a pretty big system to run it.
then if you want you can send it to a 3d printer for a few dollars you will get a actual 3d sculpture. there are several 3d printers, but after looking at many the 'shapesways gallery' they can print in plastics, metal, ceramics.
this stuff is super cool. this should lead you in the right direction. these printers have only been available for public about a year, but they have been around since the 80s.

Is this a good way to make a 3d head?




Vladimir


If you want to make a 3d head for a movie or something else, these is my concept of creating a 3d head with good topology.If you have a better way, please share your thoughts, whatever they might be.
Here it is:
- First you sculpt your character as an idea of what you imagined in your head
- Then you retopologize it (a simple, but good topology)
- Then you subdivide it (detail it) so you can make a normal map ( or any other maps)
- Then you apply the map/s to the low poly head.

And now you have a head, ready to be textured or whatever else for any kind of animation. If anybody has a better way of making a 3d head, please share your thoughts, whatever they might be. Thanks.
I believe that this concept can be used for other complex models that need animation. Any thoughts?



Answer
Your principles are correct but you are in danger of reinventing a particularly complicated wheel. 3D scanners already exist (Google it) which can scan a shape and save the scan to an SVG file which can be used in a 3D printer to produce a copy of the scanned object. Furthermore the SVG file can be edited in graphics programs and used as a basis for animation.
However you wish to produce your own object mapping it should ultimately produce files compatible with commercial software.




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