knob with nut insert —

Founded knob with nut insert models & stl files for printing
SCREW and NUT
Prusa Research
Hex Key Wing Nut
MeisterTek
Suction mount Nut
Twisted Metal Prototyping
M10x05 Flanged Nut
cnorton9494
M10 cap nut
JPN_FI
M18 nut cap
Monsieur Luke
WC cistern nut
JuanCallon
TNut Stones  customizable
Manfred Morgner