The only sound in the studio at 1200 S St. Tuesday morning was the scratching of pencils and charcoal on paper as a small group of artists looked past their easels to study the live nude model on the stage. S12 Studios and Patris Studio Gallery is home to a thriving artist community with an emphasis on painting life, whether it be still life or live models, said owner Patris Miller, who goes solely by Patris. “I need to draw the figure to keep my skills up,” said professional artist Philippe Gandiol. “That is the most difficult part, and there are lots of live sessions here.” Gandiol said he has been going to the studio for about three years and calls it a special place. “There’s reall