United3DArtist forum member, Cellulo, has provided several download links for the Caligari modelspace courses
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Alternate direct link to his trueSpace resources, http://flat2d.com/truespace.html
Most of the videos below can be found there.
caligari fundamentals courses
caligari truespace 5 tutorials youtube link
caligari older courses
caligari master courses
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caligari video tutorials on youtube