3D preview of Hybrid PDMS-MEA Organ-on-Chip Substrate with Y-Junction Fluidics
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Interactive 3D model of Hybrid PDMS-MEA Organ-on-Chip Substrate with Y-Junction Fluidics

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Hybrid PDMS-MEA Organ-on-Chip Substrate with Y-Junction Fluidics

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Bounding box
50.0 × 40.0 × 6.5 mm
Engine
Precision B-rep
Parameters
16
Published
October 8, 2026

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The prompt

Refine the existing MEA substrate model by adding the PDMS microfluidic layer on top of the substrate. Create a simple, symmetric Y-junction microfluidic inlet system that leads into the central neural culture chamber. Architecture: Two separate inlet ports: - Inlet A: controlled exposure medium - Inlet B: control/reference medium The two inlet channels should run toward the center and merge at a Y-junction. After the Y-junction, create one main microfluidic channel leading into the central rectangular neural culture chamber. From the opposite side of the neural culture chamber, create one outlet channel leading to a single outlet port. The overall fluidic path should therefore be: Inlet A + Inlet B ↓ Y-junction ↓ Main channel ↓ Neural culture chamber ↓ Outlet Place the fluidic layer directly above the existing MEA substrate. Keep the neural culture chamber centered over the existing MEA electrode region. Use smooth channel transitions and avoid unnecessary decorative geometry. Do not invent detailed fabrication dimensions or biological operating parameters that were not specified. Keep the model parametric and editable. Use millimeters.

Parameters

NameValueRange
Substrate Length (X)50 mm20 – 120
Substrate Width (Y)40 mm20 – 120
Substrate Thickness (Z)1.5 mm0.5 – 10
Culture Chamber Length20 mm5 – 60
Culture Chamber Width15 mm5 – 60
Chamber Pocket Depth in Substrate0.5 mm0.1 – 5
MEA Electrode Region Length10 mm1 – 40
MEA Electrode Region Width8 mm1 – 40
Electrode Region Recess Depth0.2 mm0.05 – 2
PDMS Layer Thickness5 mm0.5 – 20
Channel Width0.5 mm0.1 – 3
Channel Depth0.2 mm0.05 – 2
Chamber-to-Y Junction Length5 mm1 – 12
Inlet Port Spacing (centre-to-centre)10 mm2 – 30
Port Inset From Substrate Edge4 mm1 – 8
Inlet / Outlet Port Diameter1.5 mm0.4 – 6

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.

Hybrid PDMS-MEA Organ-on-Chip Substrate with Y-Junction Fluidics - Free CAD Model (STEP, STL) | TextoCAD