Test tube rack - customizable

This is a fully customizable test tube rack designed in OpenSCAD, perfect for labs, DIY science projects, or classroom experiments. You can easily adjust the number of rows, columns, hole diameter, spacing, and overall rack dimensions to fit your specific test tube sizes.

The model is parametric, meaning you can tweak it to suit anything from small microcentrifuge tubes to larger lab tubes. Designed for easy 3D printing with minimal supports.

Key features:

• Adjustable tube hole diameter and spacing
• Customizable rows and columns
• Parametric base and wall thickness
• Ideal for FDM printing (PLA recommended)