Brigstruder (e3d Titan / Stock Hotend or Microswiss for 3Dfused rail kits)

thingiverse

I recently purchased a 3Dfused rail kit and discovered that my existing Petsfang Titan setup no longer worked due to different mount points. This presented the perfect opportunity for me to address some issues I had been experiencing. Firstly, instead of repairing the Petsfang mess and being unable to share it due to the creator's selfishness, I decided to start from scratch with an open design that anyone can run with. If you find this helpful or choose to remix it, that's great. You can also access the source Fusion 360 files attached. Secondly, the Petsfang Titan+Microswiss setup had a flimsy design that allowed the Titan to push away from the hotend during extrusion, even with PTFE keeper clips in place. This backpressure build/release resulted in starved initial extrusion and ooze after extrusion stops. Additionally, it had a very long filament path. To resolve these issues, I designed a quick v6 to m10 adapter that allows for rigid attachment of the hotend to the Titan while reducing the filament path by about 30mm. Thirdly, I was able to orient the Titan in such a way that the hotend can still use the original metal standoffs on the carriage with the inclusion of a very small spacer. This provides a very rigid mount for the hotend and significantly eases up on what the body has to support. The main body now mainly serves to keep the Titan/stepper oriented correctly and bears minimal load. Fourthly, EZABL was not functioning properly on the Petsfang setup. To correct this, I centered the EZABL to the nozzle in Y. X offset is 43mm to the right. You can easily adjust the adapter to fit your sensor size (or maybe bltouch, etc.). Fifthly, I have yet to encounter cooling issues with a 5015 coming in from the side, even on challenging prints like Benchy's bow turned away from the fan. Sixthly, originally this design had a part isolating the heatsink cooling fan from the heatblock. However, after usage, I found this setup to be too close to the block and removed it. I am now holding temps pretty reliably (printing at 290C) using just a block sock. Assembly is relatively straightforward: 1. Attach the main body to the 3Dfused carriage. 2. Attach the v6 adapter to your hotend and get it into your Titan. 3. Attach the Titan/Hotend assembly to the carriage by placing two screws into the hotend heatsink, the included spacer, then screwing into the metal standoffs. Don't tighten this all the way yet. 4. Attach your stepper and complete Titan assembly, adjust until slack is removed from gears (may need clear cover on to get this right). Attach your cable management piece here using the bottom two screws of the Titan as an attach point. 5. Once Titan / Stepper assembly is complete, tighten the hotend heatsink screws all the way down rigidly. 6. Attach 5015 fan to nozzle, then use some short M3 screws to attach to the main body piece. 7. Attach EZABL using its holder and a small M3 screw. 8. Gently screw in the cooling fan onto the long standoffs. 9. Do cable management, making sure to put a loop or some slack in your bed leveling sensor wire. Use three small zip ties through the cable management piece to hold your wiring very securely. Enjoy. I recommend printing this in at least PETG. ABS or PET (pictured, available from Fusion Filaments) would be even better.