Trays for sorting small parts is all over the web and not a new invention, but I needed a set with different sizes for different tasks - This is what I ended up with:

• Different tray sizes for different needs: 
       50x50mm, 75x75mm, 100x100mm, 125x125mm, 150x150mm and 175x175mm.
• Funnel for easy separating sorted items or emptying remaining parts back into container.
• No sharp corners and edges or cavities where tiny parts can hide.
• All trays prints fast with no need for support and ready to use right off the print bed (no post processing).
• Different sizes can be stacked inside each other to make compact storage.
• Optimized in dimensions for fast print with standard profiles in PrusaSlicer (0.40mm nozzle and 0.20mm layer height). Other printers will benefit for this too.

Shown models are printed in Prusament Chalky Blue PETG, Devil Design White PETG and Devil Design Orange PETG. Prints as well in other plastics too. 

This design was inspired by other designs on the web - great thanks for sharing your design.

New: Dividers for the Sorting Tray can be found here.

Updates

2022.08.06: Added two models with size of 50x50mm and 175x175mm.

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