HTD3M belt tensioner for ShapeOko

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I'm crafting an enhanced ShapeOko variation, requiring precise tensioning of my HTD3M 10mm belts. To achieve this, I've devised a system tailored to these specific belts. Instructions: Using HTD3M 10mm belts is crucial for optimal performance. Proper alignment is vital; therefore, two models exist based on the location of the tensioning bolt (above or below the belt). My design features M4 bolts and incorporates a nut trap. However, I've found that no additional nuts are necessary due to the threading capability of the printed part. By simply turning the bolt, it securely fastens in place. This allows me to utilize the same component on both sides of the belt without requiring a mirrored version – a significant advantage given the differing axis alignment between the belt and bolt.