XY Bracket Replacement for Robo3D R2 Printer
thingiverse
My R2 seems to be putting a real strain on the XY Brackets. Three have already cracked, and new clam shells from Robo3D sometimes break off tabs while installing. Robo3D Technical Support tells me that they no longer carry any XY Brackets and won't be getting any more in stock. I downloaded the "R2 C2 Screw Together Brackets.stl" file from the Robo3D Community website: http://community.robo3d.com/index.php?threads/r2-c2-linear-rail-bracket-ends.19536/ I modified the design to recess the screws into the bracket, as they would otherwise hit the extruder motor if used on the rail at the back of the printer. I placed the screws on the outer edge, making the post for the belt tensioner spring solid plastic and hopefully stronger. It's probably a good idea to make some spares now.
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