
Free 3D Print Box Generator
Free custom solid hollow box generator for 3D printing with custom inner dimensions, wall thickness, corner radius, and optional lid. Download STL or 3MF files ready for any slicer.
3D Print Box Examples
See what you can create with the 3D Print Box Generator. This geometric lattice box was printed in blue and white PLA, great for storage, organisation, and custom packaging.

Materials used:
- Blue and white PLA filament
Frequently Asked Questions
Yes. The 3D Print Box Generator is 100% free with no limits, no watermarks, and no trial period. Generate and download as many files as you want, free forever.
Free custom solid hollow box generator for 3D printing with custom inner dimensions, wall thickness, and optional lid. Adjust the settings, preview your design in real time, and download a ready-to-make file in seconds.
It exports STL files for 3D printing, and multi-colour 3MF files where multiple parts or colours are involved. Files are generated instantly in your browser.
3D printers via slicers such as Bambu Studio, PrusaSlicer, OrcaSlicer, and Cura, with 3MF files carrying colour data for multi-colour prints.
You can use PLA, PETG, ABS, TPU, and any filament your printer supports for 3D printing. The generated files are standard formats compatible with any material your machine can handle.
No account or sign-up is required for the 3D Print Box Generator. It runs entirely in your browser, your designs never leave your device, and there is nothing to install.
Yes. A commercial license is included, so you can sell products made with the 3D Print Box Generator on Etsy, Amazon Handmade, Shopify, at craft fairs, or anywhere else. Attribution is appreciated but not required.
Visit the MyLaserTools Learning Center for a step-by-step 3D Print Box Generator guide, plus material tips and file-format help for laser cutting, CNC, and 3D printing. The guides walk you through every setting and how to prepare your files for your machine.
Open the 3D Print Box Generator guideAbout
Our free 3D print box generator creates custom hollow boxes for FDM and resin 3D printing. Unlike laser-cut boxes made from separate sheets, these are solid single-piece prints with proper wall thickness. Set your inner dimensions, choose wall thickness, and select a lid option: open top, fully closed, or a separate lid piece. Compatible with all major slicers including PrusaSlicer, Bambu Studio, Cura, and OrcaSlicer. Download as STL or 3MF for best results.
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