This chamfered cube is one of the shapes in mathematics, and it has the characteristic that all faces are equal.

He made a model of a regular dodecahedron.

He made a model of a regular icosahedron.

His specialty is playing the piano.

He is using an octant for navigation.

My name is Yasokawa.

This report was submitted dated the eighth.

I buy fresh vegetables at the nearby greengrocer every week.

Their problem was clearly visible to me, a bystander.

Her problem is obvious to me, who is looking at it from an outsider's perspective.