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Test Tube Rack 3D Printable Models
Test tube stand/holder 10 mm 32 pcs
Thingiverse
Yojik27
A revolving test tube holder
Thingiverse
Dragon_GM
Magnetic Rack for 1.5 ml Tubes (low volume)
Thingiverse
pen_and_pipette
Test Tube Rack
Thingiverse
mike00ward
API Freshwater Master Test Kit+ Caddy
Thingiverse
DadsAlwaysDoingSomething
Test Tube Drying Rack
Thingiverse
Alexjoha
Flat Pack Test Tube Rack
Thingiverse
mfritz