Tag Archives: faberdashery

DSF Build Progress Nine

First to forth test prints

First to forth test prints

I have put the E3D hotend together (really easy to do if you follow their instructions) and installed it on the printer. Since then I started to do some test prints. I started with a 20x20x4mm piece. The extruder worked brilliantly however the printer had an issue, the Y axis kept offsetting (see first print above – ignore the waviness, I was impatient and pulled it off the bed while it was still hot). I turned up the power of the Y Axis stepper driver (second print). Same issue, again ignore the blob that was my fault. The Y Axis is quite heavy and I thought that the stepper was still missing steps. The stepper for the extruder has a slightly higher torque so I wanted to swap it for the Y Axis motor.

I removed the extruder motor and then started on the Y Axis. As I removed the motor I noticed that the pulley came off too easily. Oops I forgot to put the screw to clamp it to the motors shaft! So what I think was happening was the motor turned but didn’t have the grip on the pulley to move the mass of the bed. I finished the pulley with the nut and bolt and reattached the two motors. Voilà, it worked correctly as shown in the third and forth prints above.

X Axis pulley slip visible on the left print

X Axis pulley slip visible on the left print

While I was writing this I was printing out a 40mm dome. It finished printing and a similar thing was happening to the X Axis. It isn’t visible on the above prints as they didn’t go high enough for it to manifest. A new pulley was printed on my Huxley as the old one wouldn’t take the captured nut correctly. As you can see above there was some significant slippage although not as severe as the Y Axis had.

PID Tuning

PID Tuning

The last thing, which should have been the first, I wanted to do was to do a bit of PID tuning for the hotend. Using the auto PID command M303 in Marling I was able to set the PID to: P 26.84, I 2.48, D 72.57 should anyone be interested in using them as a base for their E3D hotend.

Glowy

Glowy

Just in case anyone is wondering the domes were made with Faberdashery’s Aurora UV colour changing filament.

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Dual-Struder Fabricator (DSF)

3D Mockup

For some time I have wanted to design my own printer. Partly so that it will be able to do what I want and secondly for the challenge. Obviously it is much easier these days given the number of designs out there. For my design I had several things that it must be capable of:

  • More than one extruder
  • Use as many of the same vitamins as possible
  • Be simple to construct with the minimum of tools
  • Use as many printable parts as possible
  • No Bowden tube

Now I am not above thinking that some of those ideals may have to be altered but so far, in the planning stage, I think I have hit all of them.

So taking each point in turn:

It currently has space for two extruders – I wanted at least two so that I can leverage Slic3r’s ability to have one extruder for the shell and another for infill. That way I can use Faberdashery’s great colours for the shell and a cheap bulk black or white for the infill. The current extruder/hotend design means that only around 50mm of Y axis is lost when using both extruders.

Each axis uses the same linear bearings, all the printed framework attaches using M4 bolts, bearings used in the belt idlers as used in the extruders and so on. I want to not have a BoM as long as your arm and be able to order from only a few places. Personally I think this is the ideal that will change as the build progresses.

The tools that I think will be needed are screwdrivers, allen (hex) key, wire cutters and a wrench. Again this will probably change as the build progresses.

All structural support parts are printed, only the obvious items aren’t (frame, smooth rods, threaded rod etc).

No Bowden tube for the extruders are used. The current design is for a direct drive extruder – the hobbed bolt is directly attached to the stepper – which reduces the size of the extruder and reduces the need for large gears. The actual reason for no Bowden tubes is purely down to I want to print flex-polyester and I haven’t been able to get it to work through my current Huxley’s Bowden. I am considering having one direct drive extruder and maybe replace the second with a Bowden system to reduce carriage weight. This would also allow for another hotend to be potentially added.

So there is my design. I have put the files up on Thingiverse and have ordered (and received) the extrusion for the frame. I am currently printing out the main frame components to begin building.

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Thing of the Moment – Filament Swatch

Thing of the Moment is where I find something of interest to print, either useful or fun!

Recently I have been printing things for people. One of the problems has been trying to describe all the colours that I have available to print with. Over a period of time I seem to have a large variety from Faberdashery! While going through Thingiverse I found filament frame – by uBlitz – to hold small samples of the filament I have. The original was designed in Solidworks so was a static model – nothing could be changed aside from editing the STL file (I don’t have Solidworks). Then I noticed a derivative – by MarcoAlic – which is parametric using OpenSCAD. The first print didn’t go so well. Although it was set to make 1.75mm diameter holes they just weren’t big enough to hold the filament. The second problem was that the outside wall was just 1mm and Slic3r didn’t like that. In the end I adjusted the OpenSCAD script to reduce the size of the cylinders a little – 1mm overall and entered a filament diameter of 1.9mm. This sorted the problem.

On the whole I think it turned out okay. Now I can simple show people what I have rather then trying to describe them.

Links

Filament Frame Thingiverse Page

Parametric Filament Frame Thingiverse Page

Faberdashery

Slic3r

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Store Your Filament – Well

Okay – so I may have forgotten that I had some filament (Bling Bling Gold from Faberdashery) that had fallen down and I had forgotten about it. On doing a clear-out I discovered said filament and thought I would use it in my latest adventure – stands to display my Game Boy cartridges. Unfortunately that wasn’t to be.

Conditioner

Anyone will tell you to store your filament correctly – that is in a bag and maybe with some desiccant. Don’t store it randomly behind the unit your printer is on! Not entierly sure what has happened but when I went to insert the filament into the printer a section snapped off. Strange I thought – carry on and try again. It done it again. Hmm. I then looked at the filament and saw this.

If you look at the top of the filament you can see that there are really small ‘cracks’ in it. This is the point where is breaks. I am assuming that the filament has reacted with the air or moisture to have resulted in this defect. Although it looks more like the filament has dried out.

My Fault not Yours

I must say that this is the only time I have ever seen this from filament from Faberdshery. This is also some of the oldest filament I have as well. Had I stored it in a bag would it have faired better – I can’t say. However storing it outside of a bag will not help keep it in top condition either.

Let this be a lesson for everyone at my expense . Care for your filament and you will get some long life out of it. This is also a positive for Faberdashery’s ethos of only buying what you need when you need it, don’t try and store/horde it. I cannot blame anyone but myself for this – I should have put it away when I had last used it – now I have to bin it. Well – put it into recycling ready for my Filabot! (When I get one that is!)

Links

Faberdashery

Filabot

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Super Secret Super Bright Summer Filament

image I was quite lucky to get a sample of Faberdashery’s new summer colours, and as you can see below they are, well, summery! The colours are very bright luminous red and yellow.

Is it the usual quality?
As always the filament is of an excellent quality and consistent diameter. It isn’t apparent from the photos but they really are bright. Both colours seem to shine in the sunlight, ideal if your project needs to be seen! The next thing to decide is what to print that honours the summery goodness and tests out the filament. Not much more is summery to me then enjoying a glass of chilled wine with friends. Tracking your glass is a bit easier with these Wine Glass Charms. I chose the bright yellow and they printed well, actually it seemed to be a bit more viscose then other PLA which didn’t cause any issues.

image

It hasn't changed colour, the camera just didn't pick it up right!

Glowey
Another thing that I noticed is that they glow under the the blue leds that illuminate my print bed. Given that these are luminous it isn’t surprising that the little ultraviolet light from the leds cause them to glow.

image

Nice glow under blue leds

image But in the end
Unsurprisingly the filament meets the usual level that I have come to expect from Faberdashery. So if you have anything that needs to be bright, bold and colourful then these could be the filaments for you.

Links
Faberdashery

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Filament from Faberdashery

I have come onto the 3D printing scene late in the party. However one of the problems that seemed to befall most ‘fabbers’ was the availability of filament to print with. When I first got my machine finding the 1.75mm filament within the UK was not easy. Not long after I got my eMaker Huxley (I shall review that at a later date) a company called “Faberdashery” started.

New way of buying
image It seems traditionally you purchase the filament you need as a weight on a spool. Of course this has benefits, you can buy loads at a lower cost per unit. This is great if you are printing lots of items or larger products. If, like me, you only print a handful of items every now and then you can end up with tons of plastic sitting around. The problem with that is that unless it is stored carefully, it absorbs moisture from the air which can affect print quality – the moisture boils in the print head and causes the extrusion to pop and splutter.

Step in Faberdashery (FD). Two things set FD apart from most of the competition. Firstly you buy the material in 1 meter lengths or 100m coils. Second you have a massive choice of colours, which is always expanding.

Weight or length
So why would you want to buy your material by length? Most slicing software used to process 3D models ready for printing can report the amount of filament used. Knowing this will mean you can order from FD the exact amount you need to print. No more excess filament sitting around needing to be stored carefully. Not to mention you are only paying for what you actually need and use.

Print the rainbow
imageColours, we all have our favorite one (mines purple BTW!). FD has colours in the bucket load. From your expected white, grey and black, to the off white “Architect’s Stone” or the new “Pearly White”. But also other colours, red, blues, pink, yellow, orange, greens and many more. There are also metallic like grey and gold, and a glittery “Galaxy Blue”. What ever you are printing FD will most likely have a colour to go with it.

Quality
Another big thing to consider when purchasing filament is the quality of it. This can be summed up in two ways, diameter consistency and filament malleability. You need the diameter to be really consistent, otherwise it could jam in your printer – this is really important for those with a Bowden tube. The filament needs to be able to bend to a degree, it has to come off of the spool/reel, bend up round the printer and into the printing head. Some of the cheaper filaments are brittle and can snap – reports are that all is not lost, there are some reports that leaving it in a oven at a low temperature for a while can help that out.

To this day I have not had an issue with the products from FB. It will bend to your hearts content – within reason of course! Neither have I had it snap on me.

The price to pay
Of course all this choice, flexibility in purchasing and quality comes at a price – literally. Weight for weight FD’s filament is more expensive then most out there. You will have to weigh (sorry no pun intended!) that up against being able to purchase only what you need, in the colour you want and know that the filament will go through the machine.

But in the end
Should you buy from Faberdashery? Like many things in life, it really depends on what you are looking for. For larger items or bulk prints it may be worth looking at some of the cheaper options – although I believe FD do offer bulk purchasing so could be worth an email. For the rest of us printing out little bits-and-bobs FD offers a wide selection and choice of quantity all wrapped up in a consistent quality package.

Links
Faberdashery Website
Faberdashery Twitter Feed

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