Sketch to 3D for Alias and Catia workflows
Bespoke AI turns a 2D sketch into 3D in two stages: an image-to-3D reconstruction that produces a watertight mesh at real-world scale, then BeSplines 2.2 curve-network and NURBS patch fitting that produces editable CAD surfaces. Unlike consumer sketch-to-3D tools that stop at a triangle mesh, the output exports as IGES and STEP and opens directly in Autodesk Alias, Catia, Siemens NX, Rhino and Onshape.
Mesh output versus surface output
Most sketch-to-3D tools target games, 3D printing and visualisation, so a triangle mesh is the finished product. Studios working in Alias or Catia cannot detail, mirror, fillet or trim a triangle mesh; they need a coherent curve network and NURBS patches with continuity between them.
- Consumer sketch-to-3D: textured mesh, arbitrary scale, OBJ or GLB only, no editable surfaces.
- Bespoke AI: watertight mesh plus a primary curve network, quad patch layout and fitted NURBS surfaces.
- Export IGES and STEP, aligned to the Alias grid and to real vehicle or product dimensions.
- Continue detailing in Alias, Catia ICEM, NX or Rhino with the control points intact.
From one sketch to a surfaced model
A single side view or three-quarter sketch is enough to start. The platform generates the missing orthographic and three-quarter views, keeps proportions and detail consistent across them, reconstructs the mesh, then surfaces it.
- Upload a sketch, photo, or several views of the same design.
- Missing views are generated and checked for cross-view consistency.
- Image-to-3D reconstruction produces a scaled, watertight mesh.
- BeSplines 2.2 fits the curve network and NURBS patches.
- Marshmallow parametric morphing adjusts wheelbase, overhangs and ride height afterwards.
Where it fits in a studio pipeline
It replaces the manual reconstruction stage at the front of the process, not the surfacing package at the end. Concept and pre-development teams get CAD-ready geometry in minutes instead of days, and the surfacing team starts from a sensible patch layout rather than a blank grid.
What it costs
Enterprise licensing for OEMs and design studios with a custom credit allocation. A 3D mesh run costs 10 credits, a curve network 15 credits and NURBS surfacing 15 credits.
Frequently asked questions
- Can AI turn a sketch into a 3D model?
- Yes. Bespoke AI reconstructs a scaled 3D mesh from one or more sketches, then fits NURBS surfaces onto it so the result is CAD geometry rather than only a mesh. The mesh exports as OBJ, STL or GLB and the surfaces as IGES or STEP.
- How is this different from Vizcom or Meshy?
- Those tools are strong at rendering sketches and generating meshes for visualisation and games. Bespoke AI is aimed at professional CAD pipelines: real-world scale, curve networks, editable NURBS patches and IGES and STEP export into Alias, Catia, NX and Rhino.
- Is the 3D output correctly scaled?
- Yes. Geometry is rescaled to real measurements and aligned to the Alias grid, so it drops into an existing vehicle architecture or product package without manual repositioning.
- Can I edit the result in Autodesk Alias?
- Yes. The IGES export contains real NURBS patches with a coherent curve network, and a dedicated add-on runs the workflow from inside Alias Surface 2027.