1. Paint over a loofah for this cool two-tone look.

buzzfeed.com
Steps here.
2. This chic design is deceptively easy.

topinspired.com
Directions here.
3. Make your own matte polish with a little eye shadow.

Makeup.com
See full directions here.
4. This topcoat makes it look like you applied meticulous polka dots.

jinsoon.com
Get it here.
5. For DIY dots, just use a bobby pin.

6. For a cool touch, just do a line of polkadots around the edge of your nail.

sortrature.com
More here.
7. Make this zigzag pattern with just some tape and pinking shears.

chloesnails.blogspot.com
Full directions here.
8. Or, use tape to create a simple diagonal shape.

thecraftyninja.com
Tips here.
9. Get this stone look with just some crumpled up plastic.

10. Use reinforcement stickers to get a cool half-moon.

blog.thebeautyplace.com
Directions here.
11. Do an easy gradient with a sponge.
diyready.com
Directions here.
12. This polish changes when the temperature does, so you don't have to do any of the fancy work.

13. This adorable Pantone look is made with a thin sharpie marker.

currentfixation.tumblr.com
Details here.
14. This graffiti look is basically just scribbling with nail polish.

cosmopolitan.com
See how here.
15. Use a gold sharpie to make all kinds of easy designs.

pinterest.com
And the best part is, if you mess up, you can just wipe it off with rubbing alcohol without hurting the base coat--including Gel. See more here.
16. This simple modern look is just white polish with a black line.

cosmopolitan.com
See how to do it here.
17. Literally throw some polish on for this splatter paint look.

18. A few stragically placed dots can go a long way.

19. Get an easy gradient by applying a glitter top coat to half the nail.

20. This one is reverse nail art-you scrape the polish off for the effect.

justtryinyournail.tumblr.com / Via buzzfeed.com
See more here.
21. One simple dot can look adorably chic.

merestreet.com
More here.
22. Use one thick stripe of white to accent any darker color.

loveblair.com
See how here.
23. This pinstripe nail looks even better when it's a little crooked.

makeup.com
Because LBH, who has a steady hand for this? More here.
24. This one is called the ruffian, and we dig it.

25. ~Abstract~ (aka easy).

loveblair.com
Directions here.
26. This clear and blue look doesn't even use tape.

beautyblitz.com
Just swipe your color, clear coat on top and go.
27. Or, use the same techniques to make triangles.

bellasugar.com
Looks great even on short nails.