I think eye size is important. Most spiders aren't considered cute but jumping spiders are an exception for many people because they have big eyes, e.g.: https

I think eye size is important. Most spiders aren't considered cute but jumping spiders are an exception for many people because they have big eyes, e.g.: https://en.wikipedia.org/wiki/Jumping_spider#/media/File:PlatycryptusUndatusFemale.jpg https://en.wikipedia.org/wiki/Jumping_spider#/media/File:Pla... And even the tachikoma from Ghost in the Shell: Stand Alone Complex (robots inspired by jumping spiders) can be considered cute: https://en.wikipedia.org/wiki/Tachikoma https://en.wikipedia.org/wiki/Tachikoma