Maine native Tucker Pillsbury, who performs under the name Role Model, will play a sold-out show in Portland on Friday. (Photo by Chloe Chippendale)Singer-songwriter Tucker Pillsbury, who performs as Role Model, will sign copies of his new album, “Chuck Timely & The Hourglass,” at Bull Moose in South Portland on Aug. 8, the day after his sold-out Aug. 7 show at Thompson’s Point. The Thompson’s Point show is his first Maine performance and kicks off an international tour. To participate in the signing, fans must preorder a copy of the “Chuck” album on tangerine or watermelon vinyl or CD for curbside pickup at the South Portland Bull Moose store at 219 Waterman Drive. The signing is open to the first 200 people who order the album, and is limited to one per customer.