Multiple positions of cholesterol as it translocates through the common pathway, including the off-pathway intermediate. (a) upright ( δ) (b) tilted ( γ) (c) overtilted ( E ), the off pathway ...

Basically, an STP file is used to store 3D models and to transfer 3D data between CAM and CAD software. STP file is stored in text-based ASCII format in STEP Application Protocols ISO 10303-2xx rules.