Drop an STL file or use Load STL
STL Shell Viewer
STL file
Split shells & show transparent
Toggle see-through
Reset view
Enable clipping plane
0%
Axis
X
Y
Z
Plane position
Flip clipping side
Click the model to trace the first visible hit.
Load an STL to begin.
Open shell (red, transparent)
Closed shell (blue, transparent)
Open edge (yellow)