Stormwater Filtration Structure (12in HDPE)

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Bounding box: 305 × 305 × 914 mm
Engine: 3D Printing B-rep
Parameters: 16
Published: November 5, 2026

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The prompt

generate an engineering drawing to show a 1 ft diameter round structure (12 inch diameter HDPE pipe) with bottom and open top with 2 inch underdrain buried in the 4 inch gravel layer and 15 inches filtration media on top of the gravel layer, then 4 inches mulch on top of filtration media. The total height of the round structure is 36 inches.

Parameters

Name	Value	Range
Pipe outer diameter	305 mm	100 – 600
Pipe wall thickness	6 mm	2 – 20
Pipe total height	914 mm	200 – 1500
Bottom plate diameter	294 mm	100 – 600
Bottom plate thickness	10 mm	4 – 30
Underdrain pipe diameter	50.8 mm	20 – 120
Underdrain pipe length	280 mm	50 – 400
Underdrain pipe wall	4 mm	2 – 12
Perforation diameter	8 mm	2 – 20
Perforation spacing along length	25 mm	8 – 60
Gravel layer diameter	290 mm	100 – 600
Gravel layer height	102 mm	10 – 400
Filtration media diameter	290 mm	100 – 600
Filtration media height	381 mm	10 – 800
Mulch layer diameter	290 mm	100 – 600
Mulch layer height	102 mm	10 – 400

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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