Freea130 hobby motor driven peristaltic pump with optical encoder
Thingiverse
14 model
Free
FreeCTC A13 Filament Guide Dust Filter Cable Fixation
Thingiverse
FreeSamsung a13 Bumper
Thingiverse
FreeCTC A13/Ender 3 Main board case fan cover/silencer low profile
Thingiverse
FreeCTC A13 (Ender 3 Clone) Fan cover
Thingiverse
FreeHSW Galaxy A13 phone holder/stand
Printables
FreeJBL Stage Speaker A135c backplate
Printables
FreeGL.iNet GL-A1300 Mount
Printables
FreeHandle for Ender 3 and CTC A13 Z-Rod knob
Thingiverse
FreeNEMA17 support (Z axis) for the bad CTC a13 printer.
Printables
FreePrusa i3 MK2 Raspberry Pi Mount (OctoPrint)
Thingiverse
FreeBerserk 13 - A Dummy 13 armor mod bundle
Thingiverse
FreePrintrbot Ubis 13 Fan Shroud for a 40mm fan (Simple Metal)
Thingiverse
FreeBattery Case for Hearing Aid Batteries (312 Brown/Type 13) as a Keyring
Printables