I prefer square form. It is looking trendy and also my fingers are too big for round form, it makes them even bigger. 

This is the best nail form I have ever used. It's a bit pricey, but it is worth it. If you use it as directed, you will get the best nails you have ever had. It is well worth the price. https://greatlakesfordcollision.com/45478-2/

I adore round nails actually!

I actually think that it depends on hands and every person likes different forms. There is no one particular answer. But as a big fan of various manicure ideas, and made acrylic nails. It is a really strong material and when I wanted to take it off I used a special resource https://naildesignsjournal.com/how-to-remove-acrylic-nails/ to know how to remove acrylic nails at home. Anyway, you can also check this resource out to get in touch with various ideas to do!