FreeKossel - Non-invasive Inductive probe mount
Thingiverse
10 model
Free
FreeOpenSkan 3D Body Scanner (Non-invasive)
Thingiverse
FreeSidewinder X1 Y-Linear Mount (non-invasive)
Thingiverse
FreeSidewinder X2 Y Axis Linear Rail Non-Invasive Mount
Thingiverse
FreePleated Blinds window mount - non-invasive / Plissee / Plisa
Printables
FreeStrong table hook; non invasive
Printables
FreeArtillery Evnovo Sidewinder X1 Z-Portal/Gantry Support Remix (minimum invasive)
Thingiverse
FreeCover for Makerbot Thing-O-Matic Opening - Non Invasive
Thingiverse
FreeZEDA #0026
Sketchfab
FreeO essencial é invisível aos olhos
Printables