The SmartVR assembly instructions suggest you use filament for the hinge but the design is based on 3mm filament. I threw this together really quickly to have some sort of pin for the SmartVR kit and figured somebody else might want to save some time and just use mine.

On my particular set of SmartVR the pin fit very snug in one side and slightly loose on the other side.

Zortrax M200

Doesn't Matter

Yes

.14mm

Solid

I printed it flat so it would have more strength longwise. As such you'll want just a tiny bit of support under the pin.