Imported a file from Sketchup (.dae) and when opened in Blender i was greeted by this mess, followed by 2/3 of the model missing. Help? I'm still kinda new to Blender. :
Importing models
How do I add the ability to import Collada files to Blender 2.76? - Blender Stack Exchange
ESRI ArcScene to Fbx, COLLADA and 3ds using Blender Tutorial - YouTube
SketchUp to Blender: How to Import SKP Files in Blender | All3DP