Designed this part for my Printrbot Plus V2 to upgrade the stock belt to a GT2 belt in solidworks. It holds the belt in place, and also replaces the stock belt tensioners. If you use this, please leave a comment and what printer you have.
I bought my belt and pulleys on ebay for about $30 shipped.
Print 4 of these before doing your upgrade, and I used an exacto knife to clean up the edge that holds the belt (so its not a knife)
While installing, rotate the wood piece that holds the x-axis motor 90 degrees to allow the belt to have clearance.
I bought my belt and pulleys on ebay for about $30.