Piper 2 Simple Belt Tensioner

I always want my belts a bit too tense and I found it rather difficult to tension them perfectly with just the zip ties on the gantry, so I designed this simple belt tensioner. It was effective for the elimination of backlash on my printer at crazy-high acceleration and jerk settings.

The belt tensioner requires four short M4 countersunk screws, four M4 nuts, three M5 70mm screws and two M5 nuts. Any idlers with a 5mm bore can be used, teethed or not, making it compatible with both the 6mm an