3D Model Preparation Software

3D Modeling Software for 3D Printing, From File to Finished Part

Upload, repair, orient and slice your 3D models in one cloud platform, then send them straight to any printer in your fleet. No separate apps, no lost files, fewer failed prints.

Supports STL and OBJ files and 150+ printer models, including Bambu Lab, Prusa, Creality, Dremel and Ultimaker.

Engineer workstation with 3D models on two monitors next to an enclosed 3D printer
STL + OBJCommon 3D model formats supported
0 installsRepair, edit and slice in the browser
1 libraryEvery model in one secure cloud location
Yale Google Duke NASA Koenigsegg Bosch MIT HP
The toolpath visualization within 3DPrinterOS has dramatically increased the 3D print success rate.
Christopher WeberMedia Technician
Model preparation tools

Everything you need to make a model print-ready

Catch problems in the file, not on the build plate.

STL repair

Fix mesh and geometry errors automatically before a model ever reaches a printer.

STL editor

Make small edits, use Optimal Rotate and check build plate positioning without leaving the browser.

Printability checks

Analyze mesh, geometry and fit on the build plate so you know the part will print.

Supports and slicing

Generate supports and slice with the right settings for each printer model in the cloud.

One file library

Save every model in one secure cloud location and access it from anywhere.

Send and schedule

Queue prepared jobs for any printer and track them through to the finished part.

Design to print

How model preparation works

  1. Upload your model

    Import STL or OBJ files from your CAD or 3D modeling software into your 3DPrinterOS library.

  2. Repair and prepare

    Repair mesh issues, rotate for the best orientation, check printability and add supports.

  3. Slice and print

    Slice in the cloud for your chosen printer, then send or queue the job and monitor it remotely.

Built for real workflows

Model preparation that fits the way your team already works

3DPrinterOS browser slicer showing printer type, slicing profile, layer thickness, infill and support settings

Prepare models in any browser

Every preparation tool runs in the cloud, so students, engineers and makers can fix and slice files from a laptop, Chromebook or tablet with nothing to install.

  • STL repair, editing and Optimal Rotate built in
  • Build plate and printability analysis
  • Toolpath preview before you print
Explore the cloud slicer →
Illustration of a team collaborating on 3D models around a connected 3D printer

Collaborate on models as a team

Multiple users can access, review and contribute to the same projects. Shared libraries and approval workflows keep everyone working from the right version.

  • Shared model libraries and project folders
  • Role-based access to files and printers
  • Approval workflows before jobs reach a printer
See multi-user management →
Three different 3D printer models side by side

Works with the printers you already own

Prepare a model once and send it to any supported machine. 3DPrinterOS works across 150+ printer models and fits into existing design-to-print workflows.

  • Bambu Lab, Prusa, Creality, Dremel, Ultimaker and more
  • Common formats including STL and OBJ
  • Works across operating systems
View supported 3D printers →
3DPrinterOS analytics dashboard connected to several 3D printers

Analytics that improve every print

Track printer usage, material consumption and job outcomes to find bottlenecks and reduce failed prints across your whole operation.

  • Printer usage and material tracking
  • Success rates and workflow bottlenecks
  • Centralized reporting for every team
View printing history →
Interactive demo

See model preparation in action

Click through the 3DPrinterOS model preparation workflow in your browser, no sign-up needed.

Open the demo full screen →

FAQ

3D model preparation questions

What is the best 3D modeling software for 3D printing?

The best software supports model creation, STL editing, print preparation, workflow automation and printer management. 3DPrinterOS combines preparation, slicing and printer management in one centralized cloud platform that works alongside your existing CAD tools.

How do you prepare a 3D model for 3D printing?

Optimize the orientation, repair mesh errors, check printability, generate supports and slice for your printer. 3DPrinterOS brings all of these steps into one browser-based workflow.

Does 3DPrinterOS support STL and OBJ files?

Yes. 3DPrinterOS supports common 3D printing file formats, including STL and OBJ, for model preparation and print management.

Can teams collaborate on models in 3DPrinterOS?

Yes. Teams can share model libraries, manage print queues, monitor printers remotely and use approval workflows from one cloud dashboard.

Is 3DPrinterOS suitable for schools and universities?

Yes. It is widely used by schools, universities and makerspaces to manage classroom printers, organize student work and simplify 3D printing.

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Used by higher education, enterprises, and OEMs to manage printers, files, and users from a single, cloud-based platform

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“This close collaboration has enabled Koenigsegg to tailor the platform to their specific needs, resulting in an optimized and user-friendly system for managing their 3D printers.”

Tim Back
Tim Bäck

Team Leader
Koenigsegg Automotive AB

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