ULTRASONIC PORTAFILTER / ULTRASCHALL SIEBTRÄGER /ULTRASCHALLBEHÄLTER / ULTRASONIC BATH
made for easy management of small parts in ultrasonic baths.
The Portafilter without side and bottom holes, provides the possibility with an cutout of your own messurment, placement of sieve grids with mesh´s of any kind.
The Diameter in the original file is 76mm but it can be uniformly scaled to the desired size.
consider the temperature and used chemicals in your ultrasonic bath and choose wise dependent on it the right polymer.
I do recommend using PETG with an minimum glass liquid transition / glass transition temperatur of minimum 100°C
follow in any case the manufacture recommendation and ask them directly for your usecase.