Wanhao duplicator i3 heatbed cabling strain relief

by szabon, published

Wanhao duplicator i3 heatbed cabling strain relief by szabon Jan 26, 2017
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The cable strain relief consists two parts: the top side which actually reliefs the cable strain, and the bottom part which functions as a nut holder for two M3 nuts and holds the whole assembly in place.
The two parts are fastened together with two M3x10mm screws via the 20x20mm square hole of the build plate, the sheet metal of the buildplate is squeezed in between.
The height of the strain relief between the heatbed and the buildplate allows the heatbed to level, and the buildplate can slide back freely without colliding into the printer's frame.
The cable is fastened to the strain relief with a 3mm zip tie.

Print Settings

Printer Brand:



Wanhao Duplicator i3 V2










PLA material (ABS not needed, because the strain relief is not connected to the heatbed)
wall thickness 0.8mm
top/bottom thickness 0.8mm
support density 20%
support placement: touching buildplate

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Not all Wanhao di3 v2s (at least, not all rebranded Wanhaos, like my Monoprice Maker Select v2) have this hole.

As you can see in the last photo on this thing, my lower plate only has holes for the bearings and bed screws, and doesn't have the curved ridges, either. (There's nothing under the part shown except aluminum.)

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