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Anycubic Kossel Linear Plus upgrade BTT SKR 1.3, BTT TMC2209,, BTT TFT24, (BTTTFT35, BTT TFT35 E3 V3.0)

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Creation quality: 5/5 (1 vote)
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11 files Close
  • AKLP_leg.STL
  • PSU_holder.STL
  • X_frame_holder.STL
  • Y_frame_holder.STL
  • cooling_cover.STL
  • cooling_cover_low_profile.STL
  • cooling_cover_low_profile.STL
  • holder_psu_2.STL
  • lcdTFT24v1_1holder.STL
  • skr1_3_case_botom.STL
  • skr1_3_case_botom_low_profile.STL

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Publication date 2023-01-01 at 18:46
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Published to Thingiverse on: 2020-04-24 at 16:57
Design number 988283
rosch8

rosch8

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3D printer file info

3D model description

Edit 17.5.2020
I added new cooling cover low profile which has less height. Fan throat was tilted under angle...

Edit 11.May. 2020:

Changed STL files for printing orientation. Added TFT24 holder mount. Added PSU holder 2, but it needed to drill 2x M4 threads to the PSU box (black cover bottom)
chnged files firmware.bin and also config marlin files. I made some small changes like orietation of rotating encoder and so... nothing important, just some small improvements. You can connect LCD displays in EXP 1 EXP2 mode or serial connector.
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Edit 25.04.2020: add PSU holder, because it was hanging on just 2 screws.

Edit: I added config files for 2.0.x bugfix Marlin. And whole Marlin directory too in zip file. Do not forget to change chip in platformio.io file to LPC1768... There is also my build firmware.bin. Just copy it on SKR board SD card and new firmware will be loaded after start...

I made 32 bit board from Bigtreetech SKR 1.3 and quiet new stepper motor drivers TMC2209 from Bigtreetech v1.2 and TFT graphic display TFT 35 E3 v 3.0. Case for display is still not finished. Check later for updates.
My goal is fully cover the electronic board, make perfect forced cooling by fan 40x40x10 mm of the board and especially drivers where I designed 4 special cooling tunels. Fan draw air from box outside. Inlets of the air are on sides, so air flow above board, then through tunnels, where there are heatsinks of drivers. Fan does not need to be powerful, cooling is very efficient.
I wanted to put board far from the heatbed, so I add legs to raise whole printer.
The legs need to have rubber feets at least 5 mm, better 10 mm from foam rubber. It allows to mount PSU on the side tilted.
That makes me space for box. Box with board is on lowest position, it has cold fresh air from bottom all the time.

Material I recommend PLA as it is stiff enough for this box. I used mostly M3 screws various length.
2x M3x20 mm
4x M3x15 (16) mm
2x M5x10 mm (with M5 T nuts into the slot of profile)
2x M5x15 mm (with M5 T nuts into the slot of profile)

For cables there is need to make longer cables from endstop microswitches, especially Z and Y. And I have to zturn stepper motor Z 90°so socket for cable towards down, then it is enough original cables for motors.
I put power supply to the back side and tilt it down. Cables to supply boards are enough. Holder of PSU is original too. It fits.
I solder my NSG cable connectors on board, because I did not ordered in advance JST connectors and NSG I have available. But this is not necessary.

I printed things from PLA because it is stiff enough and temperature of the box is low anyway. So not needed more temperature resistant material for case and holders.
Thing is still under development, especially display box.

If you wish I can put here also Config files for Marlin 2.2.x bugfix, which I compiled for this printer and this config.

3D printing settings

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