Introduction: Printed Shower Knob
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Life is not perfect. The hole in my first knob was too small.
Rather than redo my 30 minute design, I just "enlarged" the print to 119%.
The hole worked, but I had left too much "shoulder" inside and the screw wouldn't fit. I did a two minute design tweak and printed again.
Put the knob on and screw it in.
Because my knob is long and does not contain a "stop" to limit its travel, I wrote the word "off" at the top shutoff position.
Beauty and a "stop" are desirable upgrades for the knob, but this is functional, costs about one dollar, and is more socially acceptable than a pair of vice grip pliers.
As a follow up, I found a way to repair the old knob: