prusa i3 XL aluminum frame w/ aluminum gantry
by thainfamousnate, published
note: the only printed parts are the extruder parts and bed bearing holders. this design uses the same aluminum upgrades from my i3 aluminum frame.
i've been busy so i haven't had time or money to start building this, but my friend tony is thinking of it. i've included the dxf of it, its basically stretched 4" in every axis. he is using it with a dremel in place of the hot end to make a small cnc out of it. Repetier has CNC Settings in addition to 3d printing settings!!!!!!
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my friend is building this one, i havent talked to him about it in a while. he did say that the frame fits together perfectly though, just make sure you have the right material (listed below - .25" ALU)
I plan on building one and have access to a cnc when do you think you will be finished with his project?
thanks man! i would highly recommend 1/4" aluminum if you can outsource the cutting cheaply. if you cant i would recommend polycarbonate, but i dont know if that cuts too cleanly or is rigid enough, my friend has tried cutting it and it leaves nasty edges, he uses a co2 laser though. the acrylic will cut cleanly but i know it flexes very easily, even the polycarbonate flexes slightly, i cncd an original frame (non-XL i3) for a friend out of 1/4" polycarbonate and it does flex a little, but the back braces and chassis make it a little more rigid by locking it in. if you were to use acrylic or poly i wouldnt suggest cranking your speeds up too high. the parts on the right are out of 1/8" material, ignore the big parts on the right for the gantry, the printed parts work well, it was just something i was experimenting with. the frame is the exact frame from the original i3 (non-XL) just stretched 4" on all axises. the biggest thing i would think about is that the slots for the frame and other parts to interlock are designed for material no thicker than .25" with a .002 tolerance ( they are .2520" wide). i dont have plans to build one, but my buddy is slowly building one with a dremel on the gantry. he has verified that it went together perfectly with 1/4" Aluminum and i have not modified it since the initial upload, so it fits together well! definitely keep me updated as i am not building one just documenting it.
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