Download: free
Website: NIH

Tags:
alpha helix, beta sheet, antiparallel, stick representation, helix breakers,

Download: free
Website: NIH

Download: free
Website: Printables

Tags:
thingiverse, cyclone, cyclonevacuum,

Download: free
Website: makerworld

Tags:
modelrailway, train, modelrailroad, railway,

Download: free
Website: Thingiverse

Tags:
cyclone, cyclone vacuum,

Download: free
Website: Printables

Tags:
blaster, foam, gun, dart, nerf,

Download: free
Website: Printables

Tags:
dual, radio, helical, hamradio,

Download: free
Website: Printables

Tags:
dual, radio, helical, hamradio,

Download: free
Website: Thingiverse

Tags:
gear, gears, german, library, mechanical, openscad,

Download: free
Website: Thingiverse

Download: free
Website: Thingiverse

Tags:
100, 13cm, 24ghz, amateurfunk, amsat,

Download: free
Website: Thingiverse

Tags:
501st, anh, e-11, forming, l2a3, mk4,

Download: free
Website: Printables

Tags:
tool, starwars, blaster, stormtrooper, spring,

Download: free
Website: Thingiverse

Download: free
Website: Thingiverse

Tags:
antenna, ham radio, radioamateur,