Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4679706.

This is a 3 part mold for making silicone heater socks for the FLSUn QQ printer.
This should help control heating fluctuations.

Dunk each mold part in VERY soapy water as a mold release agent.
This should also help the silicone to cure.

After assembling and bolting the mold pieces together with two M3 bolts, use an oral dosage syringe to inject the mold with high temp silicone gasket material.

I let my parts cure for 24 hours, cracked the mold slightly to allow some air, and then cured for another 24 hours.

If you can smell strong vinegar odor the mold is not finished curing!.

Hope you find this a challenging and fun project, like I did.

PS- Don't forget to do a PID tune on the hotend after installation.


FLSun QQ-S Pro Heater Sock Mold

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4681739.

I was inspired by the original design, but I rebuilt the model from scratch in Solidworks and beefed up all of the parts. This should be pretty robust, and last a long time.

I wanted a small spool for experimenting with smaller batches of nylon, polycarbonate, or other unusual materials.


Print two parts and they will assemble permanently with the annular snap latches.

Mini Spool

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4669675.

This is a side mount for the FLSUN QQ-S/ Pro extruder. This moves the extruder closer to the bed, allowing the bowden tube to be shortened, and improving (reducing) retraction.
With this mod the bowden tube is roughly half as long, and I have been able to reduce my retraction to 3.5mm.

This mount clamps on the sheet metal corner (using four M3 screws and nuts) and will not scar or scratch the finish should the extruder position need to be changed.

It also allows the extruder to be positioned on one of the front corners for easy access when changing filament.

REVISION 1
Revised the inside part for a tighter fit. No more slipping.
the outside part with the motor mount is unchanged.
Uploading separate STLs for each part.

I placed the M3 nuts on the end of a long M3 screw and heated for 4-5 seconds with a small torch. This allowed the nut to be press-fit in place in the inside part.

Extruder Side Mount Rev1

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FLSun QQ-S Pro Heater Sock Mold

Mini Spool

Extruder Side Mount Rev1