Y-Axis Tensioner

Edit - 22-03-20

I finally stopped procrastinating and printed my design! Much less bulky than the other link below. On another note, the other tensioner would rock up and down causing the y-axis to shift.
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I designed https://www.thingiverse.com/thing:2335845 and I don't like it as much as I used to.
I couldn't get the tensioner perfect in line with the belt.

So I came up with this design, which uses:
1x https://www.amazon.ca/gp/product/B077CPT9CS/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
4x M3 nut
4x M3 x 20/25mm long bolt
2x M5 T-slot nut
2x M5 x 8/10mm long bolt
1x M5 x 25mm long bolt
1x M5 nut