4040 Extrusion profile Rail system
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I Got Hold Of Some Custom 4040 T-Nut Extrusion Profiles From A Friend And I Wondered If I Could Use Them For A Big 3D Printer. This Is Work In Progress And The Last Trial-And-Error Cycles Showed Me This Could Be A Long Way ;-) , But Maybe Anyone Out There Is Interested... At Least Some Parts Are Functional So Far (Look Here: Https://Youtu.Be/Zgevcp-Xo7I ) And The Cad Model Is Nice To Look At In Freecad ;-) Oh, And I Used The Great Thing Https://Www.Thingiverse.Com/Thing:16187 , The Gt2 Pulley. Sorry, No (Usable) Stl'S To Find Here So Far. But Freecad Is Free Anyway! Maybe You Want To Give It A Try And Export The Stl'S You Want From There? ;-) Update 8. Feb. 2018: Updated The Threaded Rod Driven Carriage For Z-Axis Use. The Parts Fit Together Nicely And Everything Works So Far. See It In Acton: Https://Youtu.Be/Lyxbw0Vyxko And Https://Youtu.Be/Sh_3Ky9Mvo4 The Printed Rolls Are Critical. They Have To Be Super Smooth - I Think I Will Try To Sand Them A Little Bit To Eliminate All The Bumps.
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