How I made the Peaky Blinders memorabilia

To continue my previous post about painting 3d printed models, here is a wee project I have made recently. It is inspired by a British TV series, “Peaky Blinders”. The series tells the story of an English gangster family – The Shelby family – from Birmingham during the early 20th century. An often used hand gun during the series is a Webley revolver, which was a service gun at the time in the British army.

I have put the model together from various pieces. The revolver itself was printed from Thingiverse. I have made a small modification to the original file, designed printable screw heads instead of using real screw.

Screw heads

The bullets are from Thingiverse as well, I have reduced its diameter of the 45APC bullet to 10mm. This is for having them more believable as the pistole’s barrel’s inner diameter is 10mm… You can do the easily in Tinkercad, I have not saved that in a separate file.

I have designed the lettering in Fusion360. Lastly, the little hook was printed also from Thingiverse, only in about 70% reduced scale.

The board and the bullet holder are made out of wood, also by me.

Here is the process:

I have printed all the parts, to have them together for assembly. The entire gun weights around 150g. I have used superglue and clamps to assemble the main parts. I have printed the parts from PLA, using 0.1mm layer resolution.

After assembly, I have used a selection of tools, such as sand papers and blades to smooth some of the layered printing texture. I have also used modelling paste filler for bigger gaps or on difficult to remove printing lines.

I have used an airbrush to apply the base paint. It might seem counterproductive to paint your model black, when the filaments colour is black already, but as I have intended to paint the entire model, the colour of the material is not really important. This is a matter of choice. Some people are using appropriate coloured filament for each part. Although, that is entirely the choice of the maker, it will not produce the same result. On the other hand, having your model painted, will definitely reduce its practical usability. This is, in that case, not really a problem as this is just a display.

I have painted the body of the gun with a combination of black, gunmetal and a selection of shading washes (inks). The handle is brown with red and sepia wash, before everything was coated with two layers of varnish.

The rest of the set was fairly simple. The bullets were painted with a combination of golden and gunmetal colours with a bit of washes. The lettering is painted grey coated with red and black washes. The hook is black, drybrushed gunmetal and sepia ink.

I am quite happy with tresult:

Basic 8 step sequencer – upgrade your Atari Punk Console

The sequencer is an (mostly) electronic device which triggers sounds in steps in a continuously repeating sequence. The origin of such a machine is dating back several hundreds of years, since music machines were constructed. The one which resembles most to the modern computer based sequencing softwares are the barrel organs which were using long sheet of paper for programming. The actual format basically is a paper based version of what DAWs (Digital Audio Workstation) are mostly using.

This sequencer is a so called analog sequencer, because, well, because it is using analog electronic components and two ICs. This is very similar to the first electronic sequencers, except they used much more components. In this, no microcontrollers or any sort of software programming involved. It is a very simple device, but like the Atari Punk Console, it makes an excellent learning project and it can nicely control the console.

8 step sequencer with Atari Punk Console

8 step sequencer with Atari Punk Console

The machine uses a CD4017 decade counter IC. It is a chip which can output 10 electronic signals on different pins, one after each other. However, we only going to use 8 steps as it is more practical musically. Many sequencers have 16 or 32 steps, it is possible to chain several CD4017 together, but I did not do that in this project. (Basically, there are much better and more sophisticated sequencer designs out there, it is more recommendable to use one of those if you are more serious).

The signals (steps) are generated by making one pin on the IC continuously high-low-high-low and so on by using a “clock” to do that for us. It can be achieved using different design clocks, but one of the simplest one is a 555 in astable mode.

8 step sequencer components

8 step sequencer components

That is the same as it was used in the console, so if you have built that, it is already familiar.

This circuit was designed by me, based on several other designs freely available on the internet.

8 step sequencer schematic

8 step sequencer schematic

Features of the sequencer:

  • Variable speed control: It can control the length of each step thus the speed of the cycle
  • On/Off switch for each step
  • Variable voltage on each step, to control tone of steps
  • CV out to connect it to the tone generator
  • Standard DC power socket (9V-12V)
  • LEDs for showing speed and each active step

I have designed a 3d printable box for it, which you are welcome to use.

8 step sequencer 3d printed box

8 step sequencer 3d printed box


8 step sequencer BOM

8 step sequencer BOM

  • LEDs (any color of your choice) – 9
  • 500K variable resistor (pots) – 9
  • 100K resistor – 1
  • 1K resistor – 3
  • 1N4148 diode – 17
  • SW-DPDT, on/off switch – 9
  • 0.01 uf ceramic capacitor – 2
  • 4,7 uf ceramic or electrolytic capacitor – 1
  • CV jack of your choice, I am using 7.5mm audio jacks (same as for guitars)
  • DC power outlet of your choice

8 step sequencer + Atari Punk Console + reverb

8 step sequencer + Atari Punk Console + reverb





My 1st rite of passage to scratch build 3d printers

How one would start on building 3D printers without no prior knowledge about it? It is a massive subject for most and speaking from experience, it is difficult to make a choice where to start.

The first time I have ever encountered a 3d printer face to face, was through a very good friend of mine during some holiday in Hungary. He was already through a couple of self-made kits and was just building his first scratch made printer, a design which came from an Australian 3d printer enthusiast “tech2c”, called “Hypercube”.

This kind of 3d printing technology called, FDM (Fused Deposition Modelling or FFF (Fused Filament Fabrication) process. In simple terms, that means the printer is using a solid spool of plastic filament – like yarn in knitting – which is being deposited by the printer head, layer by layer, building the desired model up.

As I am luckily-unfortunately easily convinced about building interesting stuff, I was hooked on the subject quite quick.

The big question was, where to start!? In fact why would you even start to build one from scratch when you can just order a ready made one online which suits your needs.

To be honest this is an absolute superficial question regarding to most “crafting/ building” hobbies, whether that be model building or knitting. Basically, most people just does it for the process, for the joy of building and for the satisfaction of learning stuff. However, after a certain level, you actually can build an extremely capable printer for fraction of the money of an equivalent commercial one. Bare in mind though, this is not necessarily true to entry level printers and it is a long learning process with possibly significant(ish) investment along your journey.

There are number of options out there to start. You could jump right in to the deep end of it and pick one of the many available DIY printer designs from places like Thingiverse. Personally, I would not recommend that as, well,  firstly because you need a 3D printer to print many of the parts for it, secondly I believe you would need some knowledge about 3D printing to choose a design which would suit you.

I would say there are 2 (+2, I explain that shortly) reasonable routes are out there.

  1. Buy a reputable, ready made 3d printer, learn the general workings of it. Such as the process of 3D printing and different filament materials. With this option, you will know that you have a well made and working printer so you can concentrate your attention to the rest of the things without worrying about your machine. Good choice would be something like a readily assembled Prusa I3 or a LulzBot mini
  2. Buy a reputable DIY 3d printer kit. I would recommend this option to people whom have some knowledge of building anything (even if that was just LEGO) and willing to do a bit of research and thinking throughout the building process. The Prusa I3 DIY  kit or the Hephestos 2 are great options for that. These kits are tried and tested, good quality, have great support and development teams behind them
  3. (+1) Buy a Cheap Chinese kit or a ready made printer. Most of the 3D printer designs are open source designs, which means the ever resourceful Chinese manufacturers are producing their own versions of them with various success and quality. You have a wide range of DIY or ready made machines. Prices are varying and not necessarily reflecting how good the particular printer is. They all will work to a certain degree, but expect a steep learning curve and immediate desire for improvement parts in most cases, especially with the DIY kit versions. Now, I have admit I went with that choice. Why? Because I like to build stuff, figure out how things work, doing research and learning about stuff as much as possible on the hard way. It was challenging and frustrating at times, but overall I enjoyed it and I picked up a huge amount of knowledge through the process.
  4. (+2) Alternatively, you can get in touch with me and I might be able to help to start up.

I am planning to write more about 3D printing in general and my own printer builds and tips. Please follow this blog if you are interested.

Evolved Chinese 3D Printer

My Evolved 3D Printer which started life as an FlSun branded machine from China.




Jack of all trade?

Have you ever heard the expression, “Jack of all trades, master of nothing”?

What do you think? Is it true? Does it need to be true? Can you be really not good in anything, if you are interested in everything (or a lot of things)?

What happens to people whom are interested in more than just one or two things at the same time? Well, in my experience, they are being looked down on. Actually, I am considered myself to be one of those “interested in everything” people, hence I say that. They are being considered as the people whom cannot focus on, make up their mind about, or  stick to anything. And most importantly the people, who does not really know much about certain stuff hence better not to form opinion, as how is that possible to know everything. But is that really true?

Due to social pressure and my upbringing, I have spent my last 20 years to find the THING which I like/ interested so much, that I can “stick with” on a very long term bases. I am not going to list every single thing here, but there is a wonderful expression which says “I was everything, but a hanged man”. I have enjoyed most of those things and in theory, I could imagine to do any of those things for a long time. Except that I cannot. I have completely failed to find ONE (or two) things which I like enough to not to do anything else.

Well, this has caused a lot of anxiety and pressure on me. I was constantly telling myself, I HAVE TO FIND THE ONE THING. That is what you hear from people, that is what you see around you, that is what you read in books, articles, blogs. FIND THE ONE THING, BE AN EXPERT, DO ONE THING!

With the advent of the MAKEr movement, suddenly there is an influx of people whom are doing a lot of things at the same time and they are immensely popular. Jimmy DiResta, just to name one, whom is being considered the “father of the maker movement” and started the backyard/workshop/ shed maker renaissance. Makers are real people, and by now, some are alternative media celebrities. I have picked up the habbit of watching these maker videos quite early. I was absolutely fascinated to see people, whom are having multiple interests and they make good use of it without being labelled “handyman”, “jack of all trades” or simply just crooks in a derogatory sense. Some of these guys even making videos about how they make a living from being interested in a lot of things. However, I have never quite managed to put my mind around that, mainly for the reasons outlined at the beginning of that post.

Soon, I have found myself in the same whirlpool of trying to find the one thing, the one business idea, the one trade, the one profession. Needless to say, just to fail in the process again and again.

However, I have found and tried wonderful things and every time I have found something I was interested in, I have realized, I still could not choose one to stick with.

Than one night when I was assembling a cheap Chinese electronic kit (a laser harp…), while in the meantime I was looking for new chisels for my woodlathe and for starter 3d printer kit on Ebay, finally I have settled on something.

What if, I am interested in all of those things which I have tried in recent years? What if my one thing is to make, create and know stuff about a plethora of things? Certain kind of things of course – I mean, for example I am not into learning practical brain surgery –  and although my list of interests is pretty long, they all involve the process of creating something. What if, this is my art, this is my “one” thing I am expert of. Creating. Trying. Discovering. Making. Knowing. Anything (almost).

So this blog is a start of that process. I will look again on those guys on YouTube with an even wider open mind. I think, I can understand now better when they give names such as “I like to make stuff” or “Make something” and presents this as a strength, not a weakness. I can see now better, what Laura is talking about when she says she want to make content about the process of creating.

This blog is my beginning to live off from which I am doing for a long time as a hobby.  Doing things, making, building anything. This blog and other online/ real life presence will be about that. Things I create and to show off which I take interest in at any one time.

It is time to accept myself,

It is time to be me.