When you move to Studio 8, one of the goals is to throw an art opening. In order for the art opening to be successful, you have to purchase a Sculpting Block and sculpt it first. Then, have the party and it will be successful. However, before you can purchase the Sculpting Block, you must complete the goal that will give you access to it.

Bring all the art and sculptures from out back into the studio. Arrange them however desired, then buy a cooler in buy mode (miscellaneous). Go to phone and throw a party.

A very easy way to make the art opening successful at "Studio 8" is to delete one section (square) of the wall that separates the art room from the kitchen. You will even made a few Simoleons in the process.

In order to throw an art opening in Studio 8 you need to let Charity sculpt either before or during the party.

Enable the "All objects" code. Buy a dance floor and put a stereo by it. Then, buy a sculpting block and put it in the art room. Next, have your Sims throw a party. This should be an easy and successful way to throw an art opening.