File did not slice correctly

### Version
1.3.0

### Operating system type + version
Windows 10 Pro

### Behavior
File does not slice correctly.

Screenshots included of 3D view and preview along with the config and stl file.

When slicing it leaves a gap about a quarter of the way up for many layers. The file slices properly with Cura, IdeaMaker and MatterControl.

#### STL/Config (.ZIP) where problem occurs

