Polargraph: Motor mounts and Belt tensioners (for Makelangelo 5)
Description
These parts (motor mounts and belt tensioners) are meant to be used on a DIY Makelangelo 5 drawing robot (http://www.makelangelo.com/). Makelangelo's 3D printable parts are available on Thingiverse (https://www.thingiverse.com/thing:2494228), but, if you didn't have the chance to purchase their kit, you'll find some parts are missing (such as motor mounts, which are wooden parts), plus others are useless while building you own one. These parts are meant to reduce the overall number of parts of both the original thing and Makelangelo drawing robot. More in deep, if compared to the original 3D model (https://www.thingiverse.com/thing:3440067): - Requires a screw to fix the position of the belt tensioner instead of a spring - No need to print Belt_Wrap and End-cap - Added the chance to use a further screw to fix the part on a panel (where belt hook is meant to be applied) - Added chamfers so that no supports are needed - Overall height was increased to 26mm (the NEMAs I used needed more space) Regarding implementation for Makelangelo drawbot: - Added the holes to fix endstops to the part - Avoids the use of lateral counterweights to keep tensioned the belt - Adds a small place to organise endstops cables
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