3D-CAD
Like I write in the previous asisgnment, finally we decide to create an small CNC milling machine, normally I start drawing the parts, like the steppers, couplings,ball bearings, rails, wood parts, etc, as you can see in the pictures below:
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The anti-backlash Nut
End-travel switch
Flexible Coupling 
The XY stepper
Spindle motorAfter many hours of computer draw and many issues resolved I finish all th mechanical parts of the machine:
All the parts of the cartesian table (download files)
All the parts of the spindle (download files)
The Virtual Assembly
After draw all the parts, I start to assembly all the parts in the 3D CAD software. First I create sub-assemblies and then the big assemblies. The software also permite to see any interference or collition. The final result of the CAD are showed in the next pictures:
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Spindle sub-assembly
Y-Car sub-assembly X-Car sub-assembly |
 Cartensian table assembly |
The Render
The same software has a tool to render the 3D-CAD draws. It doesn´t has many tools to configure the rende, but is really easy to render pretty images:
