Belt idler guide

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This is a comprehensive guide for crafting a belt idler that fits snugly onto most three-dimensional printers, specifically designed to accommodate 13mm bearings. I discovered that the belt tends to wear down on the edge of the tensioner or idler, which can lead to catastrophic consequences if left unchecked – it may ultimately break the belt, rendering it useless. To mitigate this issue, adding a small idler will yield several benefits: a smoother and lighter motion, as well as significantly reduced friction caused by the belt grinding against the edge. However, be cautious not to compromise the integrity of the bearing holder's plastic components, as they may become damaged and release hazardous plastic particles during operation. Here is a step-by-step guide for printing your own idler: I printed my idler using the following settings: ABS material Layer thickness: 0.1mm Bed temperature: 110°C Extruder temperature: 230°C Print speed: 20mm/s