Glue-On Snap Latch for Fly Screen Frames
Created today
Description
A fly screen frame that lifts out of its catch every time the door moves needs a latch that holds it and lets go on demand. This one glues to the wall, the frame presses into the slot and snaps past the hook, and a thumb tab on the outside of the arm pulls the hook clear. One hand does both jobs — no second hand holding the frame, no screwdriver.
Fit
- Slot: 10.4 mm wide, sized for a 10 mm frame with 0.4 mm clearance.
- Base plate: 50 × 24 mm, 2 mm thick, with two shallow relief pockets underneath to hold the glue.
- Snap arm: 30 mm long, 1.8 mm thick.
Printing
- One piece. No screws, no loose parts, nothing to assemble.
- Print standing as modelled, so the layers run across the arm's bend rather than along it.
- PETG suits the flex the snap arm needs.
Measure the standoff between wall and frame before gluing: the base plate is 2 mm thick, so it sits in the gap rather than spanning it. Snap strength and tab size are the two things to adjust if the catch is too stiff or too easy for the frame you have.
Photos
Technical views
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