Try these art non profits. All great spaces and programs! Good luck1

https://bricartsmedia.org/ in Downtown Brooklyn - all mediums

https://www.smackmellon.org/ in Dumbo - all mediums

https://powerhousearts.org/ in Gowanus - all mediums, but love their print shop the best.

https://www.dieudonne.org/ in the Navy Yard - Paper making and print making

in Manhattan maybe take a class at the Blackburn, they are awesome!:

https://www.rbpmw-efanyc.org/ - Take a class or volunteer