This part is 1/8th of a supportive ring for an open-source commode. This commode costs $19.07 compared to the $49.61 of a commercial equivalent. More information can be found here: https://www.appropedia.org/Commode
Technical
Printed out of PLA with a 2-line skirt on an AthenaII (https://www.appropedia.org/AthenaII)