How to build a Lego Portal Gun

Resources:
- Parts: list, Rebrickable CSV, Bricklink XML
- Model: LDR, 3DS
- Build this MOC on Rebrickable
Instructions:




























The model looks a bit better if this axle is shortened to 1.5 units. So if you are willing to sacrifice one axle and build bad lego, you can cut off the tip.



