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Universal Dust Bag Dock Adapter

Created 12 days ago

Home & Fixturesvacuum-adapterdust-bagparametricauto-empty-dockutility
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Description

A parametric conversion plate designed to adapt universal slide-in dust bags to a specific vacuum auto-empty dock.

The model provides a baseline structure with a central suction tube for the dock interface and C-channel rails on the reverse side to capture the cardboard collar of a generic bag.

Design Notes

  • Parametric setup: The code exposes variables for the dock plate footprint, suction tube diameters, and the universal bag's collar dimensions.
  • Orientation: Built with the dock interface on one side and the bag rails on the other. You will need supports under the central tube if printed with the rails facing up.
  • Tolerances: The default rails leave a standard 0.5mm clearance for a typical 3mm cardboard collar.

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Technical views

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Eccentric Duct Adapter 125mm

Eccentric Duct Adapter 125mm

A robust, high-flow duct adapter designed to transition a standard 125 mm round bathroom exhaust duct into a low-profile 220 × 90 mm rectangular flat channel. The design features a pronounced vertical offset to navigate tight ceiling or wall spaces without compromising airflow. What it's for This part connects two dissimilar ducting systems. It is strictly female-to-female, intended to slip over an existing 125 mm round male pipe on one end and accept a 220 × 90 mm flat duct on the other. The 72.5 mm vertical offset is specifically tailored to align the flat duct closely to a wall or ceiling plane while maintaining the round pipe's original centerline. Dimensions Round Socket: 126.5 mm inner diameter, 30 mm deep (includes a 1.5 mm entry chamfer for easier fitting). Flat Socket: 222 × 92 mm internal dimensions with 5 mm corner radii, 30 mm deep. Overall Dimensions: 220 mm total length, maintaining a continuous 2.4 mm wall thickness. Offset: Centerline shifts vertically by exactly 72.5 mm over a smooth 160 mm internal transition. Print notes Print this model standing upright on the round flat face. No supports should be necessary for the interior loft, as the transition angle is steady and fully convex. PETG or ABS is highly recommended over PLA for HVAC applications, as the exhaust air and environmental moisture can deform standard PLA over time. Ensure your slicing profile is set to completely fill the 2.4 mm walls (usually 3 perimeters depending on nozzle size) to keep the assembly watertight and structurally sound.

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