FreeOpenBeam Exposed Bearing Flange
Thingiverse
10 model
Free
FreeUpgraded fan duct (exposed print head setup) for Anycubic Kobra Go
Thingiverse
FreeBengine with exposed shaft
Thingiverse
Free3D Simo kit cover for exposed circuit board and display.
Thingiverse
FreeOctoPi Case for Prusa i3 MK2S and MK3 with exposed GPIO ports
Thingiverse
FreeEnder 3 Raspberry Pi 3 B+ case w/camera and GPIO exposed
Thingiverse
FreeBiQu H2 Fan duct (With manual filament gear exposed)
Thingiverse
FreePiCase for Ender 3 Remix - Camera cable hole - GPIO header partly exposed - room for cooling element
Thingiverse
FreePrusa MK3 M2.5 raspberry Pi case with berry logos, exposed GPIO ports+Camera Slot
Thingiverse
FreeTorture test for your 3D printer, will expose many issues- less then 3 grams!
Thingiverse