Cut open straws

Stone-kapton straw irradiated.

Stone-kapton straw not irradiated.

Stone-kapton straw - not used.

Euclid-mylar straw irradiated.

Euclid-mylar straw not irradiated.

Euclid-mylar straw - not used.

Lamina-thin straw irradiated.

Lamina-thin straw not irradiated.

Lamina-thin straw - not used.

Lamina-thick straw irradiated.

Lamina-thick straw not irradiated.

Lamina-thick straw - not irradiated.

Lamina-thick straw donut.

Lamina-thick straw.