Baby Proof Door Knob

thingiverse

I made this thing to keep my 2 year old daughter out of my office. you will need: 2) 8-32x1.5" screws 10) m2x8mm screws 1) lever return spring print the spindle, and both door knob retainers with 100% infill all other parts were printed with 20% infill print spindle laying flat. I recycled my lever return spring from an old door knob. I did purchase a cheap ($8) door knob from a hardware store to check sizing and it fit perfect. if you purchase a return spring the inside diameter should be between .75-.85 (both springs i have measured .85) The spindle has one end wider than the other. The wider end will press fit into the push button. the push button retainer is also press fit . If you get this piece started you can use a flat surface to push this piece in flush with the knob Im bad with computers so this link may not work, this is a video of the door knob in action https://youtube.com/shorts/n4Yz3TzY6d0?feature=share