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MoI 3D (Moment of Inspiration)
What MoI 3D (Moment of Inspiration) is
MoI 3D, or Moment of Inspiration, is desktop CAD software from Triple Squid Software Design for designers and artists building accurate models. Its workflow uses Boolean operations and 2D profile curves, serving as a companion modeler for rendering and DCC projects. MoI exports n-gon meshes for 3D printing and supports polygon formats including OBJ, STL, 3DS, LWO, FBX and SKP. For CAD exchange, it handles 3DM, IGES, STEP and SAT curve or surface files. PDF and AI exports create flattened 2D drawings, while DXF can carry 2D drawings or 3D wireframe curves. Version 4 adds multicore opening for several CAD formats, GPU display caching for large files, and annotation objects for dimensions, leaders and text. Windows and macOS installers come with each license and one key works on either or both. A 90-day trial is available. MoI has no sculpting tools or render engine, and its NURBS focus means OBJ meshes cannot be read.
Who it suits
It suits designers and artists who need precise desktop modeling, CAD-format exchange or 3D-print exports. It is available for Windows and macOS users.
What it does well
- Exports n-gon meshes for 3D printing
- Supports 3DM, IGES, STEP and SAT formats
- One license key works on Windows and Mac
- Version 4 adds annotation tools
- 90-day trial available
What to know first
- No sculpting tools
- No render engine
- OBJ meshes cannot be read
- No free plan
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Moment of Inspiration v4, upgrade version | Requires v3 or another previous-version license · Requires a previous MoI license · Available for previous v1, v2, or v3 licenses · Windows and Mac installers included | $100 a month |
| Moment of Inspiration v4, upgrade version (requires v3 license) | $100 USD · Requires a previous license key from v1, v2, or v3; Windows and Mac installers | $100, paid once |
| Moment of Inspiration v4, full version | $295 USD · Windows and Mac installers; one license key works with either or both platforms | $295, paid once |
As moi3d.com lists them, read 21 Sept 2026. The maker's own page has the final word.
Verdict
MoI 3D focuses on accurate NURBS modeling, CAD interchange and mesh export rather than sculpting or rendering. The cross-platform license and trial help evaluation, but buyers should account for the absent render engine and OBJ import limit.
Facts from MoI 3D (Moment of Inspiration)'s own pages
- 2D exchange
- The documentation says PDF and AI exports create flattened 2D drawings, while DXF can carry 2D drawings or exported 3D wireframe curves. · moi3d.com, 11 Oct 2026
- CAD formats
- MoI supports curve and surface formats including 3DM, IGES, STEP, and SAT, which the documentation identifies as preserving the most accurate representation of model data. · moi3d.com, 11 Oct 2026
- Cross-platform license
- The maker says each license includes Windows and Mac installers and the same key can be used with either or both. · moi3d.com, 11 Oct 2026
- Free plan
- No · moi3d.com, 21 Sept 2026
- Interoperability
- The documentation says users can exchange data with Rhino using copy and paste and can copy or paste PDF or AI data with MoI and some 2D illustration programs. · moi3d.com, 11 Oct 2026
- Maker
- The site identifies Triple Squid Software Design as the maker of Moment of Inspiration. · moi3d.com, 11 Oct 2026
- Mesh export
- MoI advertises mesh export with n-gon mesh generation and says it is suitable for 3D printing. · moi3d.com, 11 Oct 2026
- Mesh formats
- The documentation lists OBJ, STL, 3DS, LWO, FBX, and SKP as polygon based export formats. · moi3d.com, 11 Oct 2026
- Notable format limit
- The FAQ explains that MoI focuses on NURBS modeling and does not read OBJ because polygon meshes do not readily convert back into smooth NURBS surfaces. · moi3d.com, 11 Oct 2026
- Platform access
- desktop · moi3d.com, 21 Sept 2026
- 3D print export
- Yes · moi3d.com, 21 Sept 2026
- Product
- MoI is CAD software for designers and artists who want to construct accurate models. · moi3d.com, 11 Oct 2026
- Render engine
- none · moi3d.com, 21 Sept 2026
- Sculpting tools
- No · moi3d.com, 21 Sept 2026
- Support and resources
- The maker provides online documentation, a discussion forum, a FAQ, and resource links including tutorials and scripts. · moi3d.com, 11 Oct 2026
- Trial and platforms
- The download page offers a 90-day trial for Windows and Mac and lists Windows 7/8/10/11 64-bit or Mac OS X 10.8+ as system requirements. · moi3d.com, 11 Oct 2026
- V4 documentation tools
- Version 4 added annotation objects for dimensions and text, with commands for horizontal, vertical, aligned, radius, and angle dimensions, leaders, and annotation text. · moi3d.com, 11 Oct 2026
- V4 performance
- Version 4 added multi-core processing for opening 3DM, STEP, IGES, and SAT files and updated GPU display caching for faster redraws on large files. · moi3d.com, 11 Oct 2026
- Workflow
- The product uses Booleans and a 2D profile curve driven workflow and is described as a companion modeler for rendering and DCC projects. · moi3d.com, 11 Oct 2026
Where MoI 3D (Moment of Inspiration) stands on Freedom251
- 3D modeling software#126 of 147