WHAT MODELLING SOFTWARE SHOULD I USE?

We recommend Tinkercad: Autodesk or Blender as an entry level CAD program; then move on to Rhino or Fusion360: Autodesk.

For model repair, we recommend Netfabb, Autodesk Meshmixer,and MeshLab.

MY FILE HAS ERRORS! WHAT DO I DO?

Understand and fix common STL file errors
Mesh Repair in Rhino (via UPenn)
Repairing STLs in Meshlab & Netfabb (Shapeways)
Tips to Resolve 3D Model Issues in Netfabb (Shapeways)
Automated REPAIR with MESHMIXER
NETFABB repair from Shapeways

SOFTWARE DOWNLOADS

FREE Autodesk
software: including Fusion360, Tinkercad and more!,
Meshmixer, free STL modification/editing software (useful for repair),
 FREE & commercial CAD Software and FREE STL viewers
MESHLAB FREE download

SOME MORE INTERESTING VIDEO TUTORIALS

Rhino: How to troubleshoot solid and Boolean problems
Rhino Video Tutorials (via Kyle Houchens)
Rhino Tutorials (via Lynda)
AutoCAD Tutorials (via Lynda)
SolidWorks Tutorials (via Lynda)
Using the Sense Handheld 3D Scanner
Object 3D Scanning with itSeez3D & the Structure Sensor
Face 3D Scanning with itSeez3D & the Structure Sensor
Full Body 3D Scanning with itSeez3D a& the Structure Sensor

3D SCANNING HELP

MESHLAB FREE download
Clean up 3D scans with Meshmixer-basic(1)
Clean up 3D scans with Meshmixer-including holes(2)
3Dscanning: Alignmnent with MESHLAB &HERE too