Heads up: many models on this page are AI-generated or uploaded untested. They may be misconfigured for the intended application — check the dimensions and tolerances, and verify or edit the model before printing or relying on it.*
Round Bath Fan Grille With Slotted Spring Ribs
A 180 mm round replacement grille for older round-housing ceiling bath fans that no longer have a grille available. It covers housing openings up to about 170 mm and has a 104 mm vented field. Two upright ribs have 24 mm-long M3 slots, so a pair of standard replacement grille torsion springs can be bolted on with M3 screws and nuts at any spacing from 48 to 96 mm to match the spring slots in your housing.
Overhead Drilling Dust Catch Cup
Slide this flared 90 mm cup onto a drill bit up to 10 mm and press it against the ceiling. Drywall and concrete dust lands in the annular trough instead of falling in your eyes. A 28 mm chimney with a 10.8 mm bore stops dust from running back out through the bit hole, and a ribbed 75 mm side handle lets you hold it in place with your free hand.
Universal Smoke Detector Box Adapter Plate
A 130 mm ceiling adapter ring, 6 mm thick, for fitting a new smoke or CO detector to an old electrical box. The counterbored box slots sit on a diameter and run from 66 to 94 mm hole spacing, which covers 3 in round, single-gang (83 mm) and 4 in octagon (89 mm) boxes. Four radial M4 slots for the detector have a captive-nut track underneath and reach 64–116 mm screw spacing, and a 50 mm hole in the middle lets the wiring through.