Garage Door Exhaust Hose Adapter

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Bounding box: 185 × 185 × 89.5 mm
Engine: 3D Printing B-rep
Parameters: 13
Published: November 14, 2026

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The prompt

I have a portable AC unit I want to use in my garage. I will use a board as an insert at the bottom of the garage door, and cut 2 holes for the 2 exhaust hoses. The adapter it came with does not suit my purpose but has been included as reference image. See reference images and drawing, then design an adapter for the exhaust host to connect to the board. This design will determine the hole I cut in the board. Known Measurements: Exhaust Adapter inner diameter = 142.5mm Board Thickness = 38.5mm Board Hole Diameter = TBD based on

Parameters

Name	Value	Range
Board thickness	38.5 mm	10 – 60
Hose spigot outside diameter	142.5 mm	100 – 200
Sliding clearance on diameter	0.6 mm	0.2 – 1.5
Hose engagement length inside garage	45 mm	20 – 90
Radial step of the internal hose stop	2.5 mm	0 – 6
Chamfer at the hose entry	2 mm	0 – 5
Tube wall thickness	3.5 mm	2 – 8
Flange diameter	185 mm	160 – 230
Flange thickness	6 mm	3 – 12
Screw hole diameter	4.5 mm	3 – 8
Screw bolt circle diameter	168 mm	140 – 210
Number of mounting screws	6 mm	3 – 12
Countersink depth	1.5 mm	0 – 3

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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