Hollow floater

thingiverse

Here is the spun text: Floating Indicator specifically designed for measuring water level inside a standard indicator tube featuring an inner diameter of precisely 10mm \n\n \n \n Installation Guidelines\nPrinting Requirements: Print this Hollow floater design out of high-quality ABS material with a specified infill of 0%, five perimeters, and both bottom and top layers exceeding three and five respectively to ensure an airtight seal for the enclosed space.