Elevate your 3D-printed fashion with this completely no-sew crossbody bag. Designed to be printed flat and assembled in minutes, this bag is the ultimate fusion of utility and modular design.
Whether you are looking for a sleek single-color accessory or a vibrant multi-color masterpiece, this file is optimized for high-end results.

Snapmaker U1: Optimized for multi-color TPU printing. Included project files feature modifiers to help you create stunning color patterns on the flap.
Bambu Lab H model (AMS/AMS lite): Compatible with TPU printing setups for multi-material enthusiasts. I'll design and slightly smaller one to fit the 256x256 bed.
Any 3D Printer: Can be printed as a stylish single-color piece on any standard machine capable of printing TPU.

**Features & Specifications**
Completely Modular: Since the bag uses hardware instead of permanent rivets or stitching, you can swap the flap, strap, or base at any time to match your outfit.
Dimensions: Approximately 7.5" W x 5" H when folded.
No-Sew Construction: Simply fold the sides and "braid" the strap through the integrated slots—no needle and thread required!

**Hardware & Assembly**
To complete the professional look, you will need the following:
Twist Lock: [I used these](https://www.amazon.com/Sexy-Sparkles-Silver-Purse-Twist/dp/B01KVZPMC4/ref=sr_1_2?crid=1R5A7VF9JJB7Z&dib=eyJ2IjoiMSJ9.chkSFa8MYsT3SzhyLwEvTAaqWjy20oeEAtG-dmXcSRwB8s4wxJ3DmBViUBP8rnRT.vIavjY3gb8MfWSw8Jlrisc2P_6l3P1lixCzw3eUWCTg&dib_tag=se&keywords=Twist+Turn+Lock+28x37mm&qid=1768431077&sprefix=twist+turn+lock+28x37mm%2Caps%2C142&sr=8-2)
Chicago Screws: [I used these](https://www.amazon.com/dp/B0D4LRT7ZM)  (The holes are also compatible with rivets if you prefer a permanent bond).

**What’s Included**
Main Bag Base, Flap, and Strap STLs.
Project files with pre-set modifiers.
Standalone modifier files for flap customization.

1/17/26 Bambu .3mf file added. It's basically the STLs shrunk to 92.34% and the strap printed at 19mm high. The same hardware all fits. 
1/20/26 added images for Bambu prints

snapmaker u1

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Modular No-Sew TPU Crossbody Bag (Flat-Pack Design)