62005.269745.630801.7
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Interactive 3D model of Semi-Submersible Platform (OC5 DeepCwind)

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Semi-Submersible Platform (OC5 DeepCwind)

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Bounding box
69745.6 × 62005.2 × 30801.7 mm
Engine
Precision B-rep
Parameters
14
Published
November 2, 2026

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The prompt

"Create a semi-submersible floating offshore wind platform (NREL OC5 DeepCwind). The platform consists of: 1 central column: diameter 6.5m, height 30m, positioned at origin (0, 0) 3 offset columns: diameter 12m, height 26m, positioned at: Column 1: X = 28.87m, Y = -16.67m Column 2: X = -28.87m, Y = -16.67m Column 3: X = 0m, Y = 33.33m All columns sit with their base at -20m (20m draft below waterline). Upper pontoons: diameter 1.6m, horizontal tubes connecting the central column to each offset column at 16m below waterline. Lower pontoons: diameter 1.6m, horizontal tubes connecting the three offset columns to each other at base level (-20m). Cross braces: diameter 1.2m, diagonal tubes connecting the upper and lower connection points between columns. No turbine or tower required - platform only."

Parameters

NameValueRange
Central Column Diameter6500 mm500 – 20000
Central Column Height30000 mm5000 – 100000
Offset Column Diameter12000 mm500 – 30000
Offset Column Height26000 mm5000 – 100000
Base Z (draft level)-20000 mm-100000 – 0
Upper Pontoon Z-16000 mm-100000 – 0
Offset Col 1 X28870 mm-100000 – 100000
Offset Col 1 Y-16670 mm-100000 – 100000
Offset Col 2 X-28870 mm-100000 – 100000
Offset Col 2 Y-16670 mm-100000 – 100000
Offset Col 3 X0 mm-100000 – 100000
Offset Col 3 Y33330 mm-100000 – 100000
Pontoon Diameter1600 mm100 – 5000
Cross Brace Diameter1200 mm100 – 5000

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.

Semi-Submersible Platform (OC5 DeepCwind) - Free CAD Model (STEP, STL) | TextoCAD