Thingiverse
MakerWorld
MyMiniFactory
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Thangs
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CGTrader
Youmagine
Gambody
Etsy
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Focustool 3D Printable Models
Spiral Fidget Cone
MakerWorld
C3D
Laser Cutter Focusing Jig
Printables
Anool
Bahtinov Mask, SVX102T: 102mm aperture for ~700mm FL telescopes (128mm ID sleeve)
Printables
synth
