This 3D-printable tube rack is designed to match the classic style used in biology and chemistry labs for 2 mL and 1.5 mL microcentrifuge tubes (Eppendorf-style).

Available in three sizes:
🧪 25 tubes – for compact setups
🧪 55 tubes – ideal for medium workflows
🧪 99 tubes – for high-throughput use

Each rack includes a side area without holes, perfect for:

Holding the rack with a gloved hand

Adding a team name, logo, or label – just open the file in Tinkercad or your favorite 3D software and personalize it!

🧼 Easy to clean
🔩 Stable and lightweight
🖨 Optimized for PLA, PETG or ABS

Whether you're organizing samples for DNA extraction, bacterial cultures, or routine pipetting, this rack will keep your tubes secure and your bench tidy.

Happy printing & feel free to share how you personalize it!