Semi-submersible Platform (OC5 DeepCwind)

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Bounding box: 49807.0 × 56504.3 × 30473.9 mm
Engine: Precision B-rep
Parameters: 6
Published: November 2, 2026

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The prompt

Create a floating offshore wind semi-submersible platform base, the OC5 DeepCwind design. It has 4 vertical cylindrical columns: 1 central column and 3 offset columns arranged in a circular pattern spaced 120° apart. Each column has a radius of 3.25m. The offset columns are positioned 28.87m from the platform's central axis. Total column height is 30m (20m draft below the waterline + 10m freeboard above). Connect the central column to each offset column with horizontal braces and diagonal braces near the base. Export as STEP.

Parameters

Name	Value	Range
Central Column Radius	3.25 m	1 – 10
Offset Column Radius	3.25 m	1 – 10
Offset Distance	28.87 m	10 – 100
Total Column Height	30 m	10 – 60
Draft (Submerged Height)	20 m	5 – 50
Brace Radius	0.5 m	0.1 – 2

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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