Install and run Google Sketchup 8 on Ubuntu 11.04 running on Lenovo T420 with discrete Nvidia graphic card with optimus technology

Install wine 
 Wine allows you to run many Windows programs on Linux. Its homepage can be found at http://www.winehq.org/.

sudo apt-get install wine

Download and install Bubmlebee
 Bumblebee allows you to run specific programs on the discrete graphic card with optimus technology, inside of an X session using the integrated graphic card.
 On the Ubuntu can be problem with repository source list, therefore add following rows to the /etc/apt/source.list to use debian packages:

deb http://ftp.sk.debian.org/debian/ testing main non-free contrib deb-src http://ftp.sk.debian.org/debian/ testing main non-free contrib

Add archive key to apt keyring. Run as root:

wget -O - http://suwako.nomanga.net/suwako.asc | apt-key add -

Update your sources.list configuration. Either add the following to /etc/apt/sources.list or to new file at /etc/apt/sources.list.d/ directory:

deb http://suwako.nomanga.net/debian sid main contrib deb-src http://suwako.nomanga.net/debian sid main

apt-get update

apt-get install bumblebee bumblebee-nvidia

Add yourself to bumblebee group. Run as root, replace $USER with your username:

adduser $USER bumblebee

And reboot.

If you did all right and your hardware is supported by nvidia/nouveau and bbswitch you should be able to run programs with optirun. For example:

optirun glxgears -info

Download and install Google Sketchup 8
 You can download installation from the following link: http://sketchup.google.com/download/
 After downloading the installation file install it with "Open With Wine Windows Program Loader"

Run Google Sketchup 8 with optirun

optirun wine /home//.wine/dosdevices/c\:/Program\ Files/Google/Google\ SketchUp\ 8/SketchUp.exe