Enclosures and housings
MCA Bifurcation (Hollow, Filleted)
- Bounding box
- 9.6 × 3.0 × 15.4 mm
- Engine
- Precision B-rep
- Parameters
- 7
- Published
- September 9, 2026
Download
Free to download and use. See the terms.
The prompt
Create a watertight, smooth, solid 3D vascular bifurcation model representing a human Middle Cerebral Artery (MCA) for computational fluid dynamics (CFD) analysis. The parent vessel is a smooth cylinder with an outer diameter of 3.0 mm and a length of 15.0 mm. At the distal end, the parent vessel splits into two symmetric daughter branches at a total bifurcation angle of 45 degrees (22.5 degrees off-axis per branch). Each daughter branch has a uniform diameter of 2.1 mm and a length of 10.0 mm. The bifurcation junction apex must feature a smooth, rounded fillet radius of 0.8 mm to eliminate sharp inner corners. Ensure all wall surfaces are continuous, non-self-intersecting, manifold, and completely hollowed with a uniform vessel wall thickness of 0.3 mm. Both daughter outlets and the parent inlet must be flat, planar face openings perpendicular to their flow axes. Output as a clean, high-precision STEP (.step) solid model file.; then Create a watertight, smooth, solid 3D vascular bifurcation model representing a human Middle Cerebral Artery (MCA) for computational fluid dynamics (CFD) analysis. The parent vessel is a smooth cylinder with an outer diameter of 3.0 mm and a length of 15.0 mm. At the distal end, the parent vessel splits into two symmetric daughter branches at a total bifurcation angle of 45 degrees (22.5 degrees off-axis per branch). Each daughter branch has a uniform diameter of 2.1 mm and a length of 10.0 mm. The bifurcation junction apex must feature a smooth, rounded fillet radius of 0.8 mm to eliminate sharp inner corners. Ensure all wall surfaces are continuous, non-self-intersecting, manifold, and completely hollowed with a uniform vessel wall thickness of 0.3 mm. Both daughter outlets and the parent inlet must be flat, planar face openings perpendicular to their flow axes. Output as a clean, high-precision STEP (.step) solid model file.
Parameters
| Name | Value | Range |
|---|---|---|
| Parent Outer Diameter | 3 mm | 2 – 5 |
| Parent Length | 15 mm | 10 – 30 |
| Daughter Outer Diameter | 2.1 mm | 1 – 4 |
| Daughter Length | 10 mm | 5 – 20 |
| Total Bifurcation Angle | 45 deg | 20 – 90 |
| Apex Fillet Radius | 0.8 mm | 0.1 – 1.5 |
| Wall Thickness | 0.3 mm | 0.1 – 1 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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