dinalindsay6126.jpgLindsay photos courtesy 6126byLindsayLohan.com

Lindsay Lohan may be confined to UCLA rehab (for how much longer, we don't know) and although it may be a break from life, Lindsay's not taking a break from work!

Dina Lohan says that one thing that's keeping her daughter's idle hands busy in rehab is sketching designs for her 6126 clothing line.

"Lindsay's busy every day, actually, sketching," Dina told Extra.

But that's not all she's been doing with her hands -- Dina says she's also taking time to answer letters she's been getting from fans!

"She's just thankful and grateful for all of her fans," Dina says. "They have been sending her letters and cards, and Lindsay has been answering them, so we're really pleased about that."

Lindsay has been at UCLA rehab since August 2nd, after spending 13 days behind bars. Her attorney went back to court yesterday to try and get Lindz released before the 90 day sentence, but no decision was reached. She'll be back in court on August 25th to plead Lindsay's case.