Buttplug - Through Hole for Thong
Designed to use with a tong through it.
Dimensions:
High - 7 cm (Insertable - 5 cm)
Thicker part - 3.9 cm Ø (12.2 cm circumference)
Thinner part - 2.5 cm Ø (7.5 cm circumference)
3D printing settings
0.2
25% infill
8 layers wall for high resistance (1.6 mm)
10 layers in top and bottom (2 mm)
Print it with supports.