This test tube holder is the perfect addition to your Gridfinity setup, designed specifically to organize and store small parts like screws, springs, or other tiny workshop essentials. The unique layout of three test tubes ensures maximum visibility and accessibility, making it easier to grab what you need without sifting through clutter.

Key features:

• Small parts organization: Ideal for neatly storing screws, springs, and other small items in a visible and accessible manner.
• Optimized for visibility: The three-tube design ensures no tubes are hidden behind each other, unlike traditional holders.
• Efficient filament use: Lightweight design minimizes material consumption.
• Support-free printing: Comes in two parts that assemble easily by screwing the top onto the base, ensuring a smooth printing process without supports.
• Standard tube compatibility: Designed to fit 12x105mm plastic test tubes with push caps, which can be purchased affordably here on AliExpress (100 pieces).