By all means, show your work. The internet is a great place to get feedback and build up your confidence. Just keep in mind, it’s all about you until it isn’t.
“It’s a total catch-22: if you don’t self-promote, you won’t be known to those who hold the keys to whatever kingdom you’re interested in unlocking. If you do self-promote, you might catch the gatekeepers’ attention, but pray they don’t read your self-promotion as needy or navel-gazing. Pray you don’t violate some unwritten code of class conduct or seem too eager. You have to appear to have a lot to offer without appearing to need anyone to take it. What a strange psychic and social predicament we’ve put ourselves in.”