The Slime Mould Collective

An international network of/for intelligent organisms

Jos Richters
  • Almelo, Overijssel
  • Netherlands
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  • Ben Gruver
 

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Latest Activity

Jos Richters replied to G's discussion Scammers on the site
"Same here: Paul Venrts is scamming!"
Jun 9
Jos Richters replied to Paula Rydel's discussion growth recordings advice
"Hi Paula, have a look at my blog on how I made my own microscope. You might get inspired. Look here: My 3D printer as microscope - The Slime Mould Collective Cheers, Jos"
May 23
Jos Richters posted photos
May 23
Jos Richters posted blog posts
May 23
Jos Richters posted a video

Blob Art ColorOnly 01

A small movi showing the electric potential fluctuations during a six hour period.
May 23
Jos Richters posted a video

TimeLapse 25fps VHQ 01

Short movie that shows my Physarum polycephalum (aka BLOB; I call mine CHOMPS). This is a first trial.
Jan 8
Jos Richters replied to ian's discussion How to get a physarum culture
"Ik ben ook maar een beginner in het verzorgen van physarium..... Maar het is mijn mening dat samenwerking en uitwisseling van ervaringen en kennis de beste manier is om gezamenlijk vooruitgang te boeken. (En het maakt de hobby ook leuker wanneer…"
Dec 13, 2024
Jos Richters replied to ian's discussion How to get a physarum culture
"Hallo Jan, Kun je mij vertellen op welke manier jij jouw Physarum cultiveert? Ik moet natuurlijk wel een en ander voorbereid hebben als ik een Physarum  ga ontvangen. In wat voor soort container (Petri schaaltjes?) en op welke…"
Dec 12, 2024
Jos Richters commented on G's blog post Advice on slime mould mazes? - A request
"Hi there, are you still interested in mazes for moulds? Have a look on my page where I introduce my 3D printed mazes. My page: My Photos - The Slime Mould Collective Drop me a mail if you want to know more... Jos."
Dec 11, 2024
Jos Richters replied to ian's discussion How to get a physarum culture
"Geduld is een schone zaak! Ik wacht het wel af. Succes! Cheers, Jos"
Dec 11, 2024
Jos Richters replied to ian's discussion How to get a physarum culture
"Hallo Jan, Ik stuur je mijn gegevens via mail. Over de doolhoven: Ik 3D print deze vooreerst met PLA omdat ik daarvan nog een voorraad heb, maar later ga ik PET-G gebruiken omdat dit iets sterker is en een iets hogere temperatuur kan…"
Dec 10, 2024
Ben Gruver left a comment for Jos Richters
"Ah, yeah. hopefully someone over there will be able to hook you up!"
Dec 10, 2024
Jos Richters left a comment for Ben Gruver
"Hi Ben, thanks for being a friend! No, I am not in the US. I am in Europe: Netherlands. Anyway, somebody might send me some blob one time. Cheers, Jos."
Dec 10, 2024
Jos Richters replied to ian's discussion How to get a physarum culture
"Hello Ian, I am very interested in receiving one of your slime cultures. I am willing to send you, quid pro quo, one of my Amazing Mazes for Blob experiments. I have three maze models available and I am working on some new ones. If anybody needs a…"
Dec 10, 2024
Jos Richters liked ian's discussion How to get a physarum culture
Dec 10, 2024
Jos Richters posted photos
Dec 9, 2024

Profile Information

Name
Jos
What is your interest in slime moulds? (we need to know you're not a bot or spamster)
I am an autodidact on C# programming and 3D printing and I do have great interest in biology. I do keep tropical sweet water fish for over 55 years (i'm from 1954 and retired) and I have a 2.5 meter aquarium with approx. 12..000 liters water in it., keeping Amazone biotope fish and plants. I came along Physarum Polycephalum a couple of years ago and the mould still intrigues me. So I thought it would be a nice idea to combine my knowledge on 3D printing (I teach as a volunteer teacher students how to design 3D prints) to create mazes for any kind of slime. Anybody who is in need of a certain type of maze: mail me with your idea. In return I would like to receive some Physarum Polycephalum to start my own experiments and research on the ability of molds to find their way through a more or less complex maze. I would also like to teach my students a thing or two about this interesting and intriguing biology of Physarum Polycephalum and other specimen.
Academic Institution (if applicable)
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An international network of/for intelligent organisms

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Jos Richters's Blog

My 3D printer as microscope

Posted on May 23, 2025 at 13:33 0 Comments

In these images I show how I build my microscope for my Physarum polycephalum images and video's.

I started with printing the microscope appliances that can hold the petri dishes. I also printed a contraption to hold the USB camera strapped to the printer head of the 3D printer.

On the laptop is an installation application (CURA)…

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CHNOPS BlobArt: Using an oscilloscope for value confirmation

Posted on May 23, 2025 at 11:44 0 Comments

I use an oscilloscope (aka "scope") to investigate on the actual electric values that are generated by the studio.

Because the electric potential 3.3V that is put out by the ESP32 and the fact that the 100 KOhm resistors can differ slightly from the given values on their color codes I decided to connect a scope to the studio connectors.

This scope is able to measure two channels at once, so this is perfect to investigate on the real behaviour of the electric flow and…

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CHNOPS BlobArt: BlobJob screen shots

Posted on May 23, 2025 at 11:44 0 Comments

What BLOBJob produces; some screen shots:

Logging while measuring CHNOPS values: This logs the OPACITY type matrix.

### File# 60/120: Dot# [102]; Row [4]; Column [12];  Opacity: 0.97; mV=[56.13] ### 
### File# 60/120: Dot# [103]; Row [4]; Column [13];  Opacity: 0.82; mV=[60.16] ### 
### File# 60/120: Dot# [104]; Row [4]; Column [14];  Opacity: 0.72; mV=[58.28] ### 
### File# 60/120: Dot# [105]; Row [4];…
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CHNOPS BlobArt: BlobJob explained Part 1

Posted on May 23, 2025 at 11:44 0 Comments

BLOB-Art is created by CHNOPS where the BLOBJob application converts the produced data from measurement numbers into matrices.

During the development of the BLOBJob application I encountered a number of difficulties on which I will not spend to much words. So here is a global description of how a matrix is build and then into a JPEG image.

To start with: BLOBJob can create three types of images:

  • Coloured with opacity
  • Colour only
  • Opacity only…
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At 18:06 on December 10, 2024, Ben Gruver said…

Ah, yeah. hopefully someone over there will be able to hook you up!

 
 
 

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