Fig. 1

A custom 3D printed film hold was created using ABS. The design can be immersed in a water tank and allows film to be placed between two opposing catheters, 5 cm away from the film’s center
A custom 3D printed film hold was created using ABS. The design can be immersed in a water tank and allows film to be placed between two opposing catheters, 5 cm away from the film’s center