If a project is at 90%, you’re asking for line-level feedback like typos, glitches, or silly mistakes. At 30%, the reviewer skips over those things (assuming they’ll be looped in later to help with them) and focuses on the broader strokes: structure, strategy, approach.
Using this technique can help curb the socially-prescribed perfectionism in the workplace. It also makes your managers more aware of the status of your projects, and thus less likely to pile more on you.

Asking For 30/90 Feedback

In sports, the drive for perfectionism is a positive force and turn setbacks into opportunities to reflect, learn, and adjust your approach. But regular perfectionists keep revisiting past failures as a form of self-condemnation.
All this does is cause them to raise the bar even higher, increasing the likelihood of failure. Try to see failure as simply a launching place for success, so you can break away from perfectionism.

Thinking Like An Athlete

To feel comfortable with the uncomfortable:
<ul>
<li>Think what’s the worst-case scenario of a situation that's stressing you out, to see that the consequences aren’t as bad.</li>
<li>Have a safety net with plans, friends, and resources to decrease your fear of failure.</li>
<li>Reframe the fear of the unknown as excitement.</li>
</ul>

Being Comfortable With Not Knowing

The more you chase perfectionism, the more likely you are to procrastinate and then get stressed out when things don’t go exactly how you wanted them to.
Research even indicates that even when perfectionists get higher salaries, they are more unhappy with their work.

The Issue With Perfectionism

Most perfectionists can’t see their standards are unrealistic and bad for them. To find if you’re a perfectionist, ask yourself if your standards:
<ul>
<li>... are higher than those of others.</li>
<li>... can be met by you or others.</li>
<li>... help or get in the way of you achieving your goals.</li>
<li>... can be relaxed without affecting much the end result.</li>
</ul>

Standards vs Reality

Run a small experiment where you either purposefully stop early or give yourself hard limits on your work. So you have an opportunity to disprove your perfectionistic beliefs.
Not only will this help you get over your own perfectionism, but it can also highlight places where your effort is better spent.

Set Limits To Your Effort

Top Strategies for dealing with perfection paralysis and achieving your biggest goals

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Managing Perfectionism

Some of the greatest thinkers of all time have warned us against perfectionism. "Perfect is the enemy of good," wrote Voltaire. While Aristotle, Confucius, and other classical philosophers advocated for the "golden mean" and not chasing extremes. Yet despite a long history of advocates for being "good enough", we all fall into the trap of perfectionism sometimes.

Understand yourself and those around you.

The Issue With Perfectionism

Similar ideas to The Issue With Perfectionism

Perfectionism in rooted in fear

Replace the perfectionism

7. Your perfectionism gets in the way.