Then deliberately set your standards low. I used to have a "bad art night" where I'd create something, no matter how crappy, just to say I'd done it.
Perfect is the enemy of good; good is the enemy of good enough.
Perfect is the enemy of good; good is the enemy of good enough.
Example interview: https://clarionfoundation.wordpress.com/2011/07/26/interview...
(search for "Writing the Genre Fiction Novel")
The problem, though, is that I often lack the motivation to do even little things. Sounds like that's the case for folks with depression, too.