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For some time, I have been looking for a way to get 3D geometry from any format, make it into a nice, Revit-friendly SAT and then use it in massing or visualizations.  Can Memento help me with this?  Answer - not really.

What it can do:

• Import and Export formats: OBJ and RCM (Recap)
• allows users to easily (?) fix meshes for digital use or fabrication
• fix topology or texture issues (holes, spikes, tunnels, particles, etc.) prior to downstream use

First, download and install it:
Direct Download Link

Read more at:
Autodesk Labs Project Memento

Ok, now that you have installed it... I previously explored point cloud geometry workflows at:
http://whatrevitwants.blogspot.com.au/2013/06/using-point-cloud-tools-to-convert-any.html

Upon opening an OBJ file, Memento will create an associated RCM (Recap mesh) in the same folder.  Here's what I did (this is a failed workflow):

1. Downloaded an SKP of something interesting
2. Imported to 3dsMax, cleaned it up a bit, exported to OBJ using Deep Creator preset
3. Imported OBJ to MeshMixer, exported to XYZ as per this guide
4. Imported the XYZ to Recap, and used decimation at 50mm (note, there is a Recap update at http://updatesdl.autodesk.com/updates/files/autodeskrecap_sp1_for43.24_x64.msp)

I realised at this point that you can't make an RCM file from Recap... What a pain!  So, looks like we need to make one using Recap Photo.  To use Recap Photo, upload some images to Autodesk 360.

This time, I sort of succeeded by:

1. Importing an interesting model into Revit
2. Making a Walkthrough that circled the object, and exported to a set of JPGs
3. Uploaded them to Autodesk 360
4. Selected them and clicked on the little Create 3D button (only 250 images will be accepted for processing)
5. Waited overnight for the model to process...
6. Opened Autodesk 360 and downloaded the file .obj.zip
7. Now, use Memento to open and edit the OBJ - and try to fix the holes in it.

My first experience with Memento wasn't great ... I was expecting a Fix All button :-(

1. Opened the OBJ in Memento
2. Click find defects (middle of top of the screen)
3. After they are found, click next or previous, then click Fix
4. Rinse and repeat thousands of times

Note: Memento will not run on Windows XP.

Heads-up via

Here's the Labs link to download Memento. Is this the end of gift shops with miniature trinkets (lets hope so)?http://t.co/meq6XPnaCO
— Sean David Burke (@seandburke) August 8, 2013