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Kossel Alt - 20mm extrusion - 8mm smooth rods

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Creation quality: 4.5/5 (1 vote)
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  • 31 downloads
  • 2 makes
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STL Folder details Close
  • Kossel_Rav_Alt_20x20x8_rubber_feet_support.stl
  • Kossel_Rav_Alt_DTI_pen_holder_8mm.stl
  • Kossel_Rav_Alt_LED_hinged_plate_left.stl
  • Kossel_Rav_Alt_LED_hinged_plate_right.stl
  • Kossel_Rav_Alt_LED_strip_hinge.stl
  • Kossel_Rav_Alt_bottom_frame_2040.stl
  • Kossel_Rav_Alt_bottom_frame_2040mm_V3.stl
  • Kossel_Rav_Alt_bottom_frame_20mm.stl
  • Kossel_Rav_Alt_bottom_frame_20mm_V3.stl
  • Kossel_Rav_Alt_bottom_frame_20mm_v2.stl
  • Kossel_Rav_Alt_bottom_frame_25mm_extrusion.stl
  • Kossel_Rav_Alt_bottom_support.stl
  • Kossel_Rav_Alt_bottom_upper_support.stl
  • Kossel_Rav_Alt_endstop_holder_makerbot.stl
  • Kossel_Rav_Alt_endstop_holder_v2.stl
  • Kossel_Rav_Alt_extrusion_core_pin.stl
  • Kossel_Rav_Alt_heatbed_MK2a_support_bottom_right.stl
  • Kossel_Rav_Alt_heatbed_MK2a_support_left_bottom.stl
  • Kossel_Rav_Alt_heatbed_MK2a_support_topprint_x2_for_left_and_right_side.stl
  • Kossel_Rav_Alt_j-head_bowden_adapter.stl
  • Kossel_Rav_Alt_j-head_groove_mount.stl
  • Kossel_Rav_Alt_platform_traxx_ball_joints.stl
  • Kossel_Rav_Alt_top_frame_20mm.stl
  • Kossel_Rav_Alt_top_frame_20mm_608_8mm.stl
  • Kossel_Rav_Alt_top_frame_20mm_v2.stl
  • Kossel_Rav_Alt_top_frame_25mm_extrusion.stl
  • Kossel_Rav_Alt_top_frame_optional_support.stl
  • Kossel_Rav_Alt_top_frame_v3.stl
  • Kossel_Rav_jhead_groove_mount_fixed_mesh.stl
  • Kossel_Rav_platform_mesh_fixed.stl
  • Wades_bowden_adapter_v3.stl

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Publication date 2021-10-02 at 23:37
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Published to Thingiverse on: 2013-09-22 at 23:37
Design number 533850
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3D printer file info

3D model description

I've been using my Prusa Air printer since over a year now and I have decided to try delta type printer. Kossel is a really great design but as I had some 8mm smooth rods and 20mm extrusion laying around I wanted to use them instead of precision rails.. I've found Zam's Kossel files but after printing them out I've noticed that belts are not aligned with the carriages. I had some older stepper motors probably from an old printer(?) with gt2 pulleys pressed on the shafts and I couldn't remove them.., anyway I thought that it would be better to have belts running exactly between the smooth rods.. So instead redesigning carriage I have redesigned frame.. Carriage was taken from here http://www.thingiverse.com/thing:30611

Dry test http://youtu.be/RXFzkHzH564

Enjoy!

UPDATE: 01/02/2014

As it was noticed by Senormeow http://www.ohmpie.com/delta_printer/, the 8mm rods are not sturdy enough for this height. I will be uploading stl files for 10mm rods version soon which should help to make it more rigid. If you decide to use 8mm rods anyway then I would advice to use shorter extrusion lengths for the columns or lower top frame by 10-20cm. Bear in mind it's still work in progress ;), thanks

3D printing settings

for the frame use:

  • 3 x 800mm - 20mm extrusion for columns
  • for the top and bottom frames use either 9 x 300mm - 20mm extrusion or 3 x 300mm - 20mm and 3 x 300 20x40mm extrusion

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