venturi tube for spirometer —
Founded venturi tube for spirometer models & stl files for printing
Petr Gaube
FredduX
SteevyT
ryan3d
Mijoni
MaxStein
phantomato
HiernauxNicolas
WDWHITE
sheriftaher
Botmaster
dickie24
chris
Make3D Company Limited
williamaadams
Bryan Stansell
Janne
rolf_prusa_printer
ilko
KLM1318