1. Proceed to Interstate 880 North towards Oakland.
2. Exit Interstate 880 to Highway 92 West.
3. Exit Clawiter Ave.
4. After exiting from Highway 92, turn right on to Clawiter Ave. at the stop light.
5. Make a left turn on Diablo Ave. (you will see the sign "Diablo Industrial Park").
6.. You will find Four Dimensions a couple of buildings down on your left hand side. Look for the sign Four Dimensions.