Basic Aquarium Auto Water Top Off System

thingiverse

Designed for store-type normal pet bottle. See in action: https://www.youtube.com/watch?v=3SrNUWChAmE PLEASE READ Print with PETG for Aquarium safety. Some comments says PLA fine for Aquarium too. Print with the thread side down. The support placement is; Touching Buildplate. After removing the support structure, deburr the insides of the thread entry. !!This print fits tight!! Putting on the cap can be annoying and challenging, but the cap fits. Attaching the cap on the glass corner may be stressful while water flowing down. :) SPECIFIC -Showing pet bottle's thread type in the photos. -Bottle thread need to be 3 start thread. -It worked with 0.5L and 1.5L pet bottles. (It's pretty sturdy) -Pet bottles need to be non-deformated. It may not work properly if it is deformed. -I designed for short capped bottles. (It will work with longer cap if thread is correct, i didn't tried) With 4mm, 5mm, 6mm glass options. You may ask, Why did you design the cap for the glass corner ? I designed it for bottle stability and solid base. It will hold almost 1.5 kilos (and more) upright.