This is a 3D-printable model of a cosplay prop I created early in 2020 for a Black Widow cosplay based on the film released in 2021. I used reference material publicly available at the time (mostly the trailer).

I wanted the backpack to be functional in that you can carry small items in it: phone, wallet, makeup, maybe some snacks or even a small hydration pack bladder.

The lid has rails and slides off. The main part and the lid can have up to 3 pairs of 5mm diameter round magnets to secure the lid on the main part. You can also drill through and use string instead of magnets, which may not be as convenient, but is probably even more secure. I think two sets of magnets (4) and a string to "lock" the lid in place when you want it to be really secure is probably a good compromise between ease of use and security.

The baton handles fit into cups, but the cups are designed to be modular and can be secured with a set screw. You can line the cup with foam to make it fit the handles you have. I haven't created models for the batons seen in the movie, but you can find my Infinity War version here on MyMinifactory.

I haven't made a finished version of this prop with the proper painting and straps attached, but I will add photos of a finished version soon. If you have printed this and made one for yourself, please feel free to post photos and comment on how you solved making the straps etc.

I'm giving this model for free (feel free to tip here on MyMinifactory, but tipping is entirely optional), but I'm also considering starting a Patreon in order to be able to better share and coordinate my projects and to allow people to show their continued support.