It is a support for the cables coming from the extruder in the Rep Rap Prusa I3. This sample has been made with PLA but I think is better to use ABS in this case. The initial idea was to insert an spring in the top of the holder and I tried to print it but it was difficult to print and the result was not good. I will better try with a metal spring but by the moment it is working without it. I appreciate the modifications made by my collegue Roberto F.
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