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MABSMABS
SERVICESHOPSCAN

Open-Source Licenses

This service relies on the following open-source projects. We are grateful to their authors and communities.

OrcaSlicer

OrcaSlicer is a G-code generator for 3D printers, used by this service to slice uploaded models and compute print parameters.

Gmsh

Gmsh is a finite-element mesh generator used to convert STEP/STP CAD files into STL meshes for 3D printing.

  • License: GNU General Public License v2+ (GPL-2.0-or-later)
  • Source: gmsh.info
  • Citation: C. Geuzaine and J.-F. Remacle, “Gmsh: a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities”, International Journal for Numerical Methods in Engineering, 79(11), pp. 1309–1331, 2009.

Three.js

Three.js is a JavaScript 3D library used to render the interactive model preview in your browser.

PrusaSlicer

PrusaSlicer is a G-code and SL1 generator for 3D printers, used by this service to slice resin (mSLA) models and extract layer data for quoting.

UVtools

UVtools is a tool for MSLA/DLP resin print file analysis, used by this service to validate sliced SL1 output and extract volume data.

Trimesh

Trimesh is a Python library for loading and processing triangular meshes, used by this service for geometric risk assessment and mesh analysis.

fast-simplification

fast-simplification is a mesh decimation library used by this service as the quadric simplification backend for bounded server-side STL reduction on dense meshes.

Open CASCADE Technology (OCCT)

Open CASCADE Technology (OCCT) is an industrial CAD kernel used by this service to heal imported STEP geometry before tessellation and downstream quoting.

Open3D

Open3D is a 3D data processing library used by this service for bounded mesh repair, cleanup, and simplification in the server-side geometry pipeline.

Manifold

Manifold is a geometry library focused on topological robustness, used by this service to normalise derived slicing meshes when manifold-safe repair is required.

Next.js

Next.js is a React framework for server-rendered web applications, used to build the front-end of this service.

React

React is a JavaScript library for building user interfaces, used as the core UI framework for this service.

Fastify

Fastify is a high-performance Node.js web framework, used to power the mSLA slicing API.

Flask

Flask is a lightweight Python web framework, used to power the FDM slicing and risk assessment APIs.

NumPy

NumPy is a Python library for numerical computing, used for mesh geometry calculations in the slicing and risk assessment engines.

  • License: BSD 3-Clause License
  • Source: numpy.org

SciPy

SciPy is a Python library for scientific and technical computing, used for spatial analysis in the risk assessment engine.

  • License: BSD 3-Clause License
  • Source: scipy.org

Caddy

Caddy is a web server with automatic HTTPS, used as the reverse proxy and TLS termination layer for this service.

ClamAV

ClamAV is an open-source antivirus engine, used to scan uploaded files for malware before processing.

  • License: GNU General Public License v2 (GPL-2.0)
  • Source: clamav.net

Grafana Loki

Grafana Loki is a log aggregation system (with Promtail as the log shipper), used for centralised logging and diagnostics.

All of the above tools are invoked as standalone processes, server-side services, or client-side libraries and are not modified. Their respective source code is available at the links above.

Research Bibliography

Our automated risk assessment algorithms are informed by the following peer-reviewed research. We gratefully acknowledge the authors whose work underpins our geometric analysis engines.

SLS Risk Assessment

Depowderability, thin-wall detection, warpage prediction, and scan-complexity scoring for Selective Laser Sintering.

  1. Josupeit, S., Ordia, L., & Schmid, H.-J. (2016). “Modelling of Temperatures and Heat Flow within Laser Sintered Part Cakes.” Additive Manufacturing. doi:10.1016/j.addma.2016.06.002

    Used for: warpage risk prediction — position-dependent thermal gradients and height-based cooling risk

  2. Li, J., Yuan, S., Zhu, J., Li, S., & Zhang, W. (2020). “Numerical Model and Experimental Validation for Laser Sinterable Semi-Crystalline Polymer: Shrinkage and Warping.” Polymers, 12, 1373. doi:10.3390/polym12061373

    Used for: warpage risk prediction — cross-section analysis for PA12 shrinkage and crystallization-induced strain

  3. Häfele, T., Schneberger, J.-H., Buchholz, S., Vielhaber, M., & Griebsch, J. (2025). “Evaluation of Productivity in Laser Sintering by Measure and Assessment of Geometrical Complexity.” Rapid Prototyping Journal. doi:10.1108/RPJ-07-2024-0289

    Used for: scan complexity scoring — SA/V ratio and topological genus as proxy for contour/hatch complexity

  4. Tedia, S., & Williams, C. B. (2016). “Manufacturability Analysis Tool for Additive Manufacturing Using Voxel-Based Geometric Modeling.” Proceedings of the 27th Annual International Solid Freeform Fabrication Symposium, Austin, TX. (no DOI assigned — SFF Symposium proceedings paper)

    Used for: depowderability analysis — trapped powder detection via voxel void connectivity

mSLA Complexity Assessment (AMCI)

Additive Manufacturing Complexity Index adapted for masked stereolithography resin printing.

  1. Matoc, D. A., Maheta, N., Kanabar, B. K., & Sata, A. (2025). “Quantifying Manufacturability Complexity Index: A Case Study of VAT Photopolymerization Additive Manufacturing.” 3D Printing and Additive Manufacturing, 12(6), 670–685. doi:10.1089/3dp.2024.0059

    Used for: AMCI complexity scoring — geometry, feature, and manufacturability sub-indices (0–100 scale)

FDM Risk Assessment

Overhang detection, bed-adhesion analysis, warping prediction, and fragility scoring for Fused Deposition Modeling.

  1. Budinoff, H. D., & McMains, S. (2021). “Will It Print: a Manufacturability Toolbox for 3D Printing.” International Journal on Interactive Design and Manufacturing (IJIDeM), 15, 613–630. doi:10.1007/s12008-021-00786-w

    Used for: overhang and warping methodology — face-normal dot product with build direction, cross-section area analysis

  2. Henn, J., Hauptmannl, A., & Gardi, H. A. A. (2025). “Evaluating the Printability of STL Files with ML.” arXiv preprint. doi:10.48550/arXiv.2509.12392

    Used for: FDM risk scoring — ML-based printability evaluation of STL geometry (overhangs, thin walls, bridging, warping)

General AM Manufacturability

Cross-technology surveys and meta-reviews on automated printability analysis.

  1. Parry, L. (software). “PySLM (Python Library for SLM/DMLS/SLS Toolpath Generation).” (no DOI assigned — cite as software/repository)

  2. Adam, G. A. O., & Zimmer, D. (2015). “On Design for Additive Manufacturing: Evaluating Geometrical Limitations.” Rapid Prototyping Journal, 21(6), 662–670. doi:10.1108/RPJ-06-2013-0060

    Used for: design rule thresholds — minimum wall thickness, hole diameter, and overhang angle limits per technology

Open-Source Licenses | Manifattura Additiva Bresciana