ABS	Acrylonitrile butadiene styrene
ASTM	American Society for Testing and Materials
COF	Coefficient of friction
EDX	Energy-dispersive X-ray spectroscopy
FDM	Fused deposition modeling
h-BN	Hexagonal boron nitride
PA	Polyamide
PAEK	Poly(aryl ether ketone)
PEEK	Poly(ether ether ketone)
PETG	Polyethylene terephthalate glycol
PLA	Polylactic acid
PTFE	Polytetrafluoroethylene
Ra	Arithmetic mean roughness
Rku	Kurtosis
Rp	Maximum peak height
Rq	Root-mean-square roughness
Rsk	Skewness
Rt	Total profile height
Rv	Maximum valley depth
Rz	Mean peak-to-valley height
SEM	Scanning electron microscopy
UTS	Ultimate tensile strength