Models
Test Tube 3D Printable Models. Makeshape.co have 5 Test Tube 3D Printable Models.
Test tube stand/holder 10 mm 32 pcs
Thingiverse
Yojik27
Free
Bloom Vase.3mf
Thangs
Dimari Design
Free
Flat Pack Test Tube Rack
Thingiverse
Mfritz
Free
Parametric Probe Holder
Thingiverse
Billgertz
Free
Decorative Test Tube Holder as Pot (Plant Pot)
Thingiverse
Vinayni2
Free