Autodesk® 123D Beta 5
http://www.123dapp.com/downloads
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Blender 2.58a (stable)
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Create 3D models (DWG, point cloud, other?) from a series of photographs. Download the software, add the photos, and they will be sent to a render farm to compute the 3D data.
Project Photofly
http://labs.autodesk.com/utilities/photo_scene_editor/
MeshMixer 06 update 3 - colors!
http://meshmixer.com/forum/index.php?topic=438.0
AzDrawing2 beta update - Comic Line Art Tool
http://hp.vector.co.jp/authors/VA033749/beta/azdw2.html
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AutoDesk Sketchbook Copic Edition (Free)
right click on pc or mac to download
http://www.blendernation.com/2011/08/02/autodesk-sketchbook-copic-edition-free/
here’s a
alternative downloads
:o Just saw this app, the app is available today for the iPad only, and is free for a limited time in the Apple App Store. Whenever the “limited time” comes to an end, the app will cost $.99.
Check out the demo: http://techcrunch.com/2011/08/10/sculpt-123d-ipad-app-makes-sculpting-cool-again/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+(TechCrunch)
Autodesk should start looking at fixing some of the bugs that have been in Maya for release after release before they spend the time on this garbage.
Garbage? I beg to differ. Give it a go and see. It’s the best new app I’ve put on the iPad. It feels like an iPad version of Sculptris, with the same unbeatable pricetag. Along with 123D and Project Photofly, Autodesk’s giveaways seem to me to be very helpful. All three for free. After the disappointment of things like iDough, this is brilliant.
hehe 
looks cool … would love to have ZBrush on my iPad …
There aren’t many critical reviews for this app, although some point out there’s no export. Maybe that’s where the $99.00 will come in. First though they have get us addicted 
, he he he.
Thanks for the tip. This is going to be fun.
Correction: I now see the OP wrote it will be .99 not 99.00
123D is pretty amazing really. The lack of obj export is the catch, but that little switch can flick any day.
I hope pixo is aiming to compete in the tablet arena. 123D has proven the pressure sensitivity, while useful, is not essential to modern digital sculpting.
Qubicle
A voxel program constructor 
Zbrush can emulate that with the Alpha MaKe 3D with smt = 0 
My avatar :lol:
You see my original vatar made with ZBrush here a long time ago 
…I have made some translations Getting Started, etc… of this incredible Qubicle from Tim Wesoly 
(a free version is existing)