Before we continue…
I should point out that 3D is every bit as taxing on creativity. To suggest otherwise would seem to do a great disservice to all 3D artists out there, including traditional sculptors and model makers.
Ah. To be that young. LOL
What makes you think that older people can’t do that stuff? My mom and dad are 74 and 72 respectively. They’re super tech obsessed and each own multiple PCs, tablets and devices. When my dad isn’t working his day job as a CFO, he’s gaming on his PS4 or on Steam. Older people CAN be very tech saavy. Even my 94 year old grandfather has a PC and a smartphone.
I think that you need to be aware that there’s an entire generation that grew up with this stuff. That 24yo who got their first Intel 8088-based PC in 1979 is now 64yo and close to retirement. Think about that for a moment. Seriously. You’re going to be old too one day. 
Her problem? I wouldn’t chalk it up to age. Again, you’re doing a great disservice to another (large) group of artists out there. Some people just suck with tech. Some people hate it. My younger sister just turned 42. She’s had access to tech her entire life. She works in a tech related field. She HATES tech with a passion and simply will not embrace it at home. Some people are like that.
Now that we’re done offending older people and 3D artists in general…
(No offense taken. Just having a bit of fun at your expense.
)
Okay then.
Look. In moving from 3D to 2D, she’s still just replicating stuff. That’s all about technical proficiency, not creativity. Her core issue remains. She needs techniques to stimulate her imagination.
Some people are a veritable font of ideas. To them, it’s not about finding a good idea. They’ve got tons of them. It’s about finding the time to actually bring all of them to life. Other people, however, need a little push. It’s not that they lack creativity, but the proper inspiration or method of accessing said creativity. Here are a few time proven techniques.
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Dream journals. She may not be able to come up with an idea when she’s awake, but I guarantee you that this is what she’s great at when she sleeps. Everybody dreams every night. We don’t always remember them but we do. Have her keep a notebook by her bed. The moment she wakes, ask her write whatever she remembers. It might be tough at first, but it’ll get much easier over time. I’ve been keeping a dream journal for about 10 years. I’ve got dozens of composition books full of dreams. While dreams are almost always about self-examination or a recollection of the day’s events, the mind often does that stuff in some wacky ways. Lots of symbols and odd situations or characters. Dreams are a great source of inspiration.
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Hybridize. Another super simple technique. Basically, it involves fusing several different ideas to make something new. For example, she could create four separate lists. Person. Occupation. Situation. Style. Imagine the following four lists:
- Person: Kid, Monkey, Celebrity, Myself, Old Man
- Occupation: Doctor, Blacksmith, Peasant, Superhero, Artist
- Situation: Working, Playing, Fighting, Getting Drunk, Getting Ready for a Date
- Style: Cyberpunk, Steampunk, Gothic, 80s New Wave, Anime
Look at that. 5 options in 4 categories has just yielded 625 new ideas. She could create a monkey doctor getting ready for a date done in an anime style. She could create herself, as a superhero, getting drunk in a steampunk style. There are 623 more combinations. That’s just the start. Everybody’s going to intepret it their own way. I could give the same idea of Nicki Minaj as a cyberpunk artist playing around to 25 people here. Everybody’s version is going to look different. With this hybridization technique, you’re only limited by the length and variation in your lists. Of course, you don’t have to use my categories either. You could come up with your own and do some really radical stuff.
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Take a familiar character and put them into a new situation, style, or genre. Medieval Batman. Garfield as a human. Harry Potter doing his taxes. Zombies during the American Revolution. Your ideas can end up being radical reinterpretations or just plain silly.
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Visualize your favorite character, scene, or object from history or a novel through the eyes of somebody else like a child. Can you imagine how a kid might envision the main characters of 50 Shades of Grey with only a terse description to start from?
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Mind map. Start with a simple idea and create a tree from it just based on the first ideas that come to mind. Dog. Dog mailman. Dog rock star. Dog butcher. Dog mailman getting bitten by a person. Dog mailman sleeping. Dog mailman getting surprised. Dog rock star backstage. Dog rock star writing a song. Dog rock star getting heckled. Dog butcher at work. Dog butcher protesting veggies. Dog butcher on a smoke break. You could literally branch each iteration infinitely. Variations on variations on variations… on variations… til you’re dead.
Mind mapping is just a fancy way of brainstorming. The toughest part is just finding the “trunk” of the tree. The same method can be used for vehicles, scenes, and so on.
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Iterate. Suppose that she does come up with a rough idea. Don’t stop at one drawing. Draw 5 of them. Draw 20 of them. Each version will be different and bring something new to the table. Each time she has a few that she likes, refine them. Through a process of elimination, she’ll eventually come up with something that’s doable and attractive.
Creativity is hard work. Very few ideas are 100% truly original. Everything out there is a twist on some time worn theme, archetype, or trope. Movies such as the Matrix blew a lot of people’s minds at the time. However, you could easily trace its roots to other sci-fi movies, comics, and classic philosophies. Even those things have their origins elsewhere.
As they say, there’s nothing new under the sun. Originality is, more or less, an illusion. The difference between a hack and a creative genius is in how well they hide their sources. A hack more or less regurgitates the stuff that they fused together with very little stitching or personalization. A true creative type can take those points of inspiration and synthesize. They’ll mask their sources so well that you’ll end up believing that it’s something new. How well they do it can often be the difference between good, great, and revolutionary. Look at the game Deus Ex: Human Revolution, for example. It looks like a reinvention of the original 2000, but it’s more or less also a loving homage to 1987’s Robocop too - right down to the small jokes and opening scene.
Your friend needs to use some of those techniques. Nobody truly wakes up and goes, “Eureka!!!” Those moments happen, but not nearly often enough. Game designers, art teams, and Hollywood writers all employ various personal tricks to keep things fresh and do something new. This is why the pre-production phase and the meetings that go along with it are so crucial. Being born creative helps, but the entire process is as much about muscling our way through the blockage as it is being artistic. The scariest thing to look at is that blank page or screen. It might be full of unlimited possibility, but it’s also infinitely intimidating.
If your friend is good at 3D… encourage her. Find out what she likes most. Is she into characters? Does she prefer vehicles or props? Does she see herself as a storyteller? Maybe she just likes to create materials or light the scenes. Perhaps she is better at animating somebody else’s characters. She might like all of that stuff or none of it. She might actually suck at 3D and prefer to stick to 2D. OR… Maybe she just needs to master the core techniques necessary for the aspect(s) of 3D she likes and apply it to the new ideas she eventually comes up with. Only time will tell.
Again, creativity is hard work. Great novels or movies, for example, aren’t written in one sitting. A writer can sometimes spend many years working on that one perfect story that they have to tell. Draft. Revise. Revise again. Revise again. Tear up 30 pages. Rewrite them. Cut out that character. Put a new subplot in. Take an old one out. Find the inconsistencies. Fix them. Lather. Rinse. Repeat. It’s a process.
Some writers only have one good idea in them, but it’s a doozy. JK Rowling. Take Harry Potter and his world away from her… Meh. JD Salinger. Take away Holden Caulfield. Same. Artists can produce TONS of ideas, but only a few of them (if any) will ever stand out as being great. It happens.
Tell your friend not to worry about great ideas. Just focus on getting one out there. The great idea(s) will materialize at some point. If she can’t be bothered with even putting in the work to get one idea out there then maybe art isn’t her thing. Still, she might be more of a technically minded artist, implementing somebody else’s creativity.
There are tons of artists in the film and game industries who only do that. Some concept artist will come up with the idea and pass it along to a team who will then realize it. Unless you’re working solo, there’s a good chance that this is what your career will be like.
If she has her eye on working in some studio, this is her way in. She won’t be judged on her creativity, but on how well she actually implements the ideas. If her work looks lazy, clumsy, dull, or shows other technical deficiencies then she won’t get the job. If she can’t implement OR create, she definitely shouldn’t be an artist.
Your friend just needs to decide what she wants to do. There are ways to improve her creativity. With enough work, any schmuck can come up with a cool idea. How long it takes them and how much work it involves to get there is another story. If she can’t be bothered to put in the work necessary to conceptualize something new, her strengths might be best put to use realizing others’ work. There’s money to be made there.
She just has to be careful about selling assets. There are a lot of things that she can recreate that are IP protected. Just because she can model a fully realized Iron Man model doesn’t mean that she could or should sell it. She’ll get into trouble or have her model yanked from the store if somebody reports the infringement. Even known car brands are IP protected. If she’s going to sell models online, stick with more basic, generic type things.
Sometimes the simplest and most bland models sell the best. Some artists feel that their time might be better spent on the harder stuff. If she’s going to go the asset route, she has to do so with a plan in mind. Find out what sells the best. Find holes in the market. Exploit them, but within the boundaries of the law. Clothing for character models sells well too.
Also, be careful when starting from pre-made base models. The rights to those models might not allow for derivative works.