HappyTurtleLettuceFeeder (HTLF) By ArmoredTurtle (An easy, affordable multi color system)

A simple automated filament changer for Klipper printers.
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updated May 4, 2025

Description

PDF

ASSEMBLY MANUAL IS HERE


I designed this in a single evening. Do with that information as you will.


HTLF is a lane-based filament changer for Klipper designed by ArmoredTurtle. It uses a camshaft to engage the selected lane, effectively making the requested lane a direct drive extruder (no slip to contend with). The “stock build” is for a four color system, though CAD is provided should you choose to expand it further.

For best results, use with AFC Klipper Add On - a Klipper plug-in for modern multi color systems. The code for a Mainsail  integration with a clean and unobtrusive UI for AFC can be found here .. or complete a serial request in the ArmoredTurtle Discord to get access to the pre-compiled version and secure a unique number for your HTLF!

Available kits:
Blurolls

TriangleLabs
BOM 

D2F with lever microswitch3
D2F microswitch8
D2HW C201H microswitch 1
42x40 Nema 17 motor2
MCU of choice, ERB or BTT MMB1
WS2812 RGB LEDs4
GT2 20t 6mm pulley4
GT2 188mm closed loop belt2
5mm x ~125mm D shaft  (longer is okay)2
BMG gear sets 4
6x3 N52 magnets10
MR85 bearing13
MR63 bearing1
M2x10 self tapping screws22
ECAS04 Collets (remove rubber seal)15
160mm 2020 extrusion (longer is okay)1
Wireyes
Thread lockeryes
5mm ball bearing8
M3 heatset inserts (voron style)    24
M3 washer4
M3x6 BHCS3
M3x8 SHCS 24
M3x10 SHCS1
M3x16 SHCS2
M3x20 SHCS4
 M5 roll in nuts                            12
M5 Washer8
M5x10 BHCS8
M5x16 BHCS4

Happy Turtle Lettuce Feeder stickers here! He's adorable you know you want one ;) 


A considerable amount of time and effort is invested into projects such as this by the ArmoredTurtle team. If you appreciate the work we do you can support us here.
Happy printing!

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Model origin

The author marked this model as their own original creation.

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