5 model

Free

Stonework untextured 32mm bases

Thingiverse

Free

Round Stone Bases (25mm, 32mm and 40mm)

Thingiverse

Free

32mm Starship/Manufactorum Bases

Thingiverse

Free

Flayed Ones bases 32mm

Thingiverse

Free

32mm Rocky debris Bases

Thingiverse