Child Proof Screen Door Latch

This is a quick 3-piece build to keep your toddlers from opening the screen door. There are a few variations to choose from based on your hardware preference.

- There are 2 latch options. The first option has a 2.9mm hole for M3 screws. The second option has a 3.9mm hole for a M3 threaded insert (A little fancier but works the same as option one).

- There are 2 Nipple options that extrude out 3/4" from the door frame. The first option has a single #10 screw hole in the middle with no back plate (Simple and neat). The second has a back plate with three #10 screw holes for a stronger hold.

- The Hinge mount is used with all the options, no hassle. It has 2 countersink holes for a #10 screw (I used #6 x 1/2" self-drilling screws because my screen door has thin aluminum walls).

Build note:
- In the picture and 3D model where you see all the parts together, the parts are orientated in the position for how they will sit on the build plate, no supports are necessary (When assembling, ma