Have us print this for you
PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.
I had tried several other plant watering spikes but they all broke if you tightened them too much so I designed my own.
I got stuck when I found out that standard bottles don't use either a standard or metric thread type, instead they have their own standard.
If it wasn't for
https://www.thingiverse.com/thing:2693686
PCO1881 (Soda Bottle) Thread profile for Fusion360
by terahurts December 06, 2017
this wouldn't have been possible so major thanks to them.
Edit: I have added a V2. I was still having issues with the last design cracking so I added an additional ring. After a couple of months it's still holding well.
