Spine building tips?

[ktmfmx]

^tittle. im making a 4 foot high 8 foot wide spine any tips on drawing transition etc

 

[Ozmanick]

google sketchup

http://sketchup.google.com/

 

[MaxAmillion]

http://www.diyskate.com/spine_01.html

http://www.Plans4Ramps.com/spine.php

idk if that helps

 

[ktmfmx]

Thank you so much!

 

[MaxAmillion]

no prob