The DIY community never fails to amaze me with all the creative fun yet functional projects they do with mannequin dress forms.
Here are various examples adding shelves inside a dress form so it can hold jewelry or collectibles. . We sell new and used dress forms if you want to make your own.
This one is from the website Offbeat Home and Life doesn’t have as detailed instructions but gives you a general idea of what they did.Even if you can’t understand Russian, this youtube video from Positive Couple will give you detailed instructions on how to make one.
If you want to turn a dress form into a shelf to hold cupcakes for your next party there is mannequin cupcake stand tutorial on youtube.