Filament Splicer

Project cancelled, click here to read why
The idea for Filament Splicer was born about a month after our Ultimaker 3D Printer was build. As cool as 3D Printing is, printing in one color is boring.

Users of normal, single head FFF/FDM printers are stuck with single color unless they join filament pieces together to produce one multi-colored string. It is not very complicated but process is quite awkward and you will get fed up very quickly.

If you want to have proper, stable filament join you need to have right temperature on the tip of plastic when you connect pieces together. This is hard to achieve when you use some arbitrary heat source. You either underheat or overheat and burn the plastic. Using print head of your printer is best 'ad-hoc' solution but it leaves quite a mess on it, you cannot print when you splice and plastic which is in the head slowly gets burned while you take time to splice your string.

Then, of course there is issue with forming of the joint, carpet knife and fingers where our favorite tools for that job but it took quite a long time to form each joint.

We have had our share of failed prints due to broken joints / stuck filament and finally decided to create a device which will help to splice filament. Initial idea was to create fully automated unit: you place filament ends on copper block, close it, push the button and viola - you have your joint. That was the theory.... In practice this is impossible because PLA and ABS expand during heat-up and contract during cool down, this results in either no joint at all or bubble-filled mess.

Many headache filled days [Even best PLA is really nasty stuff when you breath it in for a while] later we dropped the idea and went for 'open' model with precisely manufactured grooves which help to quickly heat up, connect and form joints.

Thermal insulation was another challenge, we wanted to allow up to 260c temperature but nothing could properly insulate enclosure from hot copper block for prolonged period of time. Ceramic fiber thermal tape can take that heat but one needs a lot of it and then there is itching... Chinese tape is horrible and even best branded, made in USA [ThermoTec] tape is not flawless. We eventually gave up on ceramic fibre and went with PFTA [Teflon] plates. Since PFTA can be outright poisonous at high temperatures, we decided to use high quality - made in Europe material - this way we are sure that maximum temperature of 235c is well within safety limit.

Availability

Filament splicer can be pre-ordered via our campaign on Indiegogo, it is available as a DIY kit or fully assembled unit.

 

Assembled
Assembled
Kit
Kit

 

Open Source

Filament splicer blueprints are released under Creative Commons Attribution-NonCommercial 4.0 International License and can be downloaded from Thingiverse and Youmagine.

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filament splicer

68702 Comments

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Hollywood star Michelle Pfeiffer has announced that she has become a grandmother, and spoken about how it has affected her working life.

Speaking on the “Smartless” podcast on Monday, three-time Oscar nominee Pfeiffer told hosts Jason Bateman, Sean Hayes and Will Arnett that having a grandchild was “heaven.”

“I’ve been very quiet about it and it is – it’s heaven. It’s ridiculous,” said Pfeiffer, 67, who has an adopted daughter Claudia Rose and a son named John Henry.

“And if I had known that I was going to be a grandmother, I wouldn’t have taken on so much work, but I’ve enjoyed everything and I’m really grateful,” she said.
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“I love each of these projects,” said Pfeiffer, referencing her recent work on projects including “Yellowstone” spin-off series “The Madison” on Paramount+, Christmas comedy “Oh. What. Fun” and the TV adaptation of Rufi Thorpe’s novel “Margo’s Got Money Troubles.”

“I’m so grateful. I’m so grateful because I love acting… in fact, I probably, enjoy it more now than I ever have because I’m sort of more relaxed with it,” said Pfeiffer.

The Hollywood star has had a long and storied career both in movies and on TV, including appearances in “Scarface” (1983), “Batman Returns” (1992) and Showtime series “The First Lady” (2022).

“I don’t really have time to be thinking about anything but the task at hand,” she said, highlighting the fact that she also set up a fragrance company a few years ago.

Related article
LOS ANGELES, CALIFORNIA - APRIL 14: Michelle Pfeiffer arrives at Showtime's FYC event and premiere for 'The First Lady' at DGA Theater Complex on April 14, 2022 in Los Angeles, California. (Photo by Emma McIntyre/WireImage)
Michelle Pfeiffer would consider playing Catwoman again

“But when I had all these acting jobs coming up, I thought, ‘Okay, okay, how are you going to manage this and have a life?’ Because that hasn’t always been easy for me. I’m an all or nothing kind of girl,” added Pfeiffer.

“I always like taking on challenges and then I get into it and it’s sort of sink or swim and for whatever reason I kind of feed on that,” she said, before going on to suggest that her priorities have shifted recently.

“I don’t have the time nor the desire to go that deep for that long and not be present,” said Pfeiffer.

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