Compiled by Cortney Clift. Submit items for the listings at firstname.lastname@example.org . For further information on how to submit items for listings, see Picks.
3D Printing Discussion Adobe Systems, 601 Townsend, SF. www.codame.eventbrite.com . 6-9pm, $10 donation suggested. Seeing 3D printing in action can kind of blow your mind. If you're ready for it, join CODAME, a nonprofit organization working to blend technology and creativity as it delves into this way of the future. 3D printing guru Scott Summit will lead the discussion. If you're more of a visual person don't worry, the evening won't be all tech talk. Demonstrations, surprise guests, and on-site creations are promised.
"Portraits of Wild Mushrooms" The Bone Room, 1573 Solano, Berk. www.boneroompresents.com . Through July 1. Opening reception: 7pm, free. Mushroom art, free wine, and pizza. Need we say more? Celebrate the Bone Room's grand opening of their new show "Emerging from the Underworld: Portraits of Wild Mushrooms." While you chow down on a slice of pie, check out the paintings and archival-quality prints by Lucy Martin to transport yourself into the mystical, magical fungus kingdom.
"Memories of the Game" George Krevsky Gallery, 77 Geary, SF. www.georgekrevskygallery.com . 6-9pm, free. Baseball season is heating up. If game days just aren't enough of America's favorite pastime for you then head over to the George Krevsky Gallery for an evening of poetry, literature, music, and video all dedicated to the sport. Marty Lurie host of KNBR's Giants Pre-Game show will MC the evening's lineup. Also check out the gallery's art exhibit "Out of the Park," which runs through May 25.
Gay Date Night Cinco De Mayo Celebration Pisco Latin Lounge, 1817 Market, SF. www.gaycouplesinstitute.org . 6-7:30pm, free if you RSVP 24 hours prior to event. If guzzling down pitchers of margaritas in honor of Mexican independence is not exactly how you'd like to spend your Friday night, the Pisco Latin Lounge has an option that is a little less loco and a little more laid back. The Gay Couples Institute is sponsoring an evening at Pisco Latin Lounge where couples can enjoy complimentary drinks, appetizers, and enter to win miscellaneous prizes.
Jack London Night Market Jack London Square, Oakl. 6-10pm, free. Bring together local artisans, music, and food, and chances are you've got an entertaining evening. Add in local fruit vendors, street performers, and alcohol and it's pretty hard to go wrong. Head over to this monthly event and take advantage of warming weather complete with a waterfront view.
Japantown Children's Day Festival Japantown Peace Plaza, 1610 Geary, SF. www.jccnc.org . 11am-4pm, free. In celebration of Japan's national holiday to celebrate children, the Japanese Cultural and Community Center of Northern California is holding a day filled with food and hands-on crafts for kids.
Liberation with Benefits Drag Show and Dance Party The Legionnaire Saloon, 2272 Telegraph, Oakl. www.southernersonnewground.org . 8pm-2am, $5-20 donation suggested. Support national equality tonight in true San Francisco fashion. This benefit — complete with performances by local drag legends such as Lady Rose and Renato, and music by three different DJs — will support Southerners on New Ground (SONG), an organization dedicated to defeating anti-LGBT laws in the South.
Sherlock Holmes Mystery Ball Masonic Lodge of San Mateo, 100 N. Ellsworth, San Mateo. www.peers.org/holmes.html . Doors open 6:45pm, $15 advance, $20 door. Why spend another evening playing Clue and watching CSI when you could solve a mystery decked out in Victorian garb. The ball will include a formal dance lesson to the tunes of chamber ensemble Bangers & Mash, and of course a mystery. If you work up an appetite after mastering the grand waltz, a light buffet will be provided. Don't fret if a corset and lacey ball gown just aren't a part of your wardrobe. 19th and 21st century evening attire is admired but not required.
Urban Air Market Octavia and Hayes, SF. www.urbanairmarket.com . 11am-6pm, free. It's not unusual for Bay Area fashion to come with an eco-friendly kick. Sustainable design is not only an element, but the main attraction at this weekend's Urban Air Market — a biannual festival which features over 130 designers whose products are well designed, local, and sustainable. Dreamboat Dresses' quirky frocks, Heliotrope's all natural beauty and body products, and Jfish Designs' modern ceramics are just a few vendors who will be present. We think it's safe to say chances of buyer's remorse here are slim to none.
Free salsa concert Oakland City Center, 500 12th St., Oakl. www.oaklandcitycenter.com . If a case of the Mondays is getting you down, spice it up with a mid-day salsa concert. Oakland City Center's spring and summer concerts are back and in full swing. Soak up some afternoon sun and jam out to the contemporary Cuban tunes of salsa band Rumbaché. But if your boss gets on your back about the extra long lunch break, don't blame us.
Helen Suzman exhibit and panel Jewish Community Center, Katz Snyder Gallery, 3200 California, SF. www.jccsf.org . Through Aug. 31. Opening reception: 7pm, free. RSVP to email@example.com  required. Helen Suzman, a South African anti-apartheid activist and politician will be honored through a graphic panel and memorabilia exhibit. Suzman's nephew will be at tonight's event to reminiscence and share stories of his aunt's life, work, and legacy.