FreeLinear Actuator
Thingiverse
10 model
Free
FreeLinear Actuator 2020
Thingiverse
FreePush-Push Latch Actuator (aka Strike)
Printables
FreeRigid Chain Screw Actuator
Thingiverse
FreeLow cost Linear actuator for CNC Machines and alike!
Thingiverse
FreeNema 17 Linear Actuator / T6 & T8
Thingiverse
FreeStepper Motor Linear Actuator Attachment
Printables
FreeOpen Source Modular Linear Actuator
Printables
FreeBosh MCM3401M safety actuator
Printables
FreeTECE Flush Plate Push Rod M8
Printables