Arts! Arcata

Friday, Aug. 11, 4 to 8 p.m THE ROCKING HORSE First Floor Jacoby Storehouse NorthCoast 3D Printing, live demo. UMPQUA UPSTAIRS GALLERY 1063 G St. Sierra Martin, mixed media. ARCATA ARTISANS GALLERY 883 H St. Jim Lowry, digital photographs and Elaine Y. Shore, porcelain. PLAZA GRILL Top Floor of Jacoby Storehouse Amanita Mollier, silk paintings and metal reproductions. Artist reception from 5 to 6 p.m…