Link:
https://www.wago.com/de/energiemesstechnik/aufsteck-stromwandler/p/855-2701_035-001
Idea:
https://www.wago.com/de/energiemesstechnik/tragschienenadapter/p/855-9927

This an adaptor for Wago current transformers, in order to mount them on DIN rails.
In the pictures were Wago 855-2701 35/1A transformers used for testing. I'm using these three current transformers for power measurements in a control cabinet of a CNC plasma cutter with a Siemens PAC3200.
The design files (.stp and .f3d) are included.

Bei diesem Model handelt es sich um einen Tragschienen Adapter für Stromwandler der Firma Wago. Leider habe ich im Internet keine passenden Adapter gefunden und daher selbst einen auf Basis des WAGO 855-9927 Adapters designt.
Auf den Bildern sind Wago 855-2701 35/1A zu sehen, welche für die Tests genutzt wurden. In meinem Fall nutze ich die Stromwandler in einem CNC Plasmaschneider Schaltkastenzur Leistungsmessung.
Die CAD Designdateien sind auch enthalten (.stp und .f3d).
Viel Spaß mit dem Adapter

Wago 855-2701 current transformer DIN-rail adaptor power measurement

Wago_Stromspulen_AdapterHutschiene.step

Links:
https://www.iskra.eu/de/Niederspannungs-Stromwandler/Current-Measuring-Transformer-ASR-ASK-WSK/
Idea:
https://www.wago.com/de/energiemesstechnik/tragschienenadapter/p/855-9927

This an adaptor for Iskra current transformers, in order to mount them on DIN rails.
In the pictures were Iskra ASK 205.3 80:5A transformers used for testing.

Bei diesem Model handelt es sich um einen Tragschienen/Hutschienen Adapter für Stromwandler der Firma Iskra. Leider habe ich im Internet keine passenden Adapter gefunden und daher selbst einen auf Basis des WAGO 855-9927 Adapters designt.
Auf den Bildern ist ein Iskra ASK 205.3 80:5A zu sehen, welche für die Tests genutzt wurden.
Viel Spaß mit dem Adapter


Iskra current transformer DIN rail adaptor

Iskra_Stromspulen_AdapterHutschiene.step

GitHub repo:
[JWST-Keychain GitHub](https://github.com/PedPEx/JWST-Keychain/)

JWST-Keychain
Keychain V3 front- and backside pictures

James Webb Telescope Keychain
All you need to know about the JWST Mirror Keychain Don't forget to add your contact information to the NFC chip in case you lose your keys

Features of the Keychain
pretty small and nerdy keychain
looks like the JWST mirror assembly
on the backside of the keychain is a NFC symbol - in order for your potential finder of your keys knows, that he can scan it with his mobile phone to get your contact data
on the backside of the keychain you can also find the constellations of the Big Dipper and the Small Dipper too
NFC tag inside
Used Components
Black ABS eSun https://www.amazon.de/3D-Drucker-Filament-Maßgenauigkeit-3D-Druckstifte-Nachfüller/dp/B07FQ5MC78
Gold PLA Jayo https://www.amazon.de/Filament-1-75mm-JAYO-Drucker-Shiny/dp/B08NX9HPRH
UHU 2 component adhesive https://www.amazon.de/UHU-Epoxidharz-Adhesive-2-K-Quick/dp/B07B4C4WDR
Blank NFC Tags (NXP - Mifare Classic 1k) https://de.aliexpress.com/item/1005004092253497.html
Keychain (i recommend to use the 5 pcs 30 mm option) https://de.aliexpress.com/item/1005003746857254.html
How can i highlight the backside and make it more readable?
Get yourself a white marker (i used an Edding 8055) or something like fluid Tipp-Ex. "Re-Write" the constellations and the NFC text + symbol and let it cure. After ~5 minutes you can just sand the backside carefully and read all the small details

How2Print?
0.4 mm Nozzle 0.1 mm Layer Height 100% Infill No Supports needed (YOU NEED TO SWITCH THEM OFF IN YOUR SLICER OR YOU ARE NOT ABLE TO INSTALL THE NFC TAG!)

ABS Settings: 110 - 100°C Bed Temp 245°C Hot End

PLA Standard Slicer Settings 55°C Bed

Printed with a Voron 2.4

Changelog and tips for each version
In the corresponding folder for each version are the STL files for 3D printing alongside the Fusion360 design files, in case you want to modify my design.

+++++ V1 +++++ (NOT RECOMMENDED)
You have to print the Base and stop the print either manually or with the command M600 (Marlin) or PAUSE (Klipper) on Layer 21 (2.1 mm) to add the NFC Tag. After that, just hit resume and let the base print.

It's possible that you are not able to print the Keychain v1, it's pretty tricky to get the overhangs just right.

You need to print the mirror file 18 times (print 20 and you have some spares on hand).

+++++ V2 +++++
You have to print the Base and stop the print either manually or with the command M600 (Marlin) or PAUSE (Klipper) on Layer 21 (2.1 mm) to add the NFC Tag. After that, just hit resume and let the base print.

Improved Design, position of NFC chip moved, no more problems with colapsing overhangs

about 10 ~ 15 mm smaller than version 1

You need to print the mirror file 18 times (print 20 and you have some spares on hand)

+++++ V3 +++++
Improved and also recommended design, roughly 37 mm wide by 40 mm long

No pausing for NFC-Tag installation required, more realistic mirror design, mirrors are printed as one part

Tips for the NFC tags
All of my Samsung Phones (S9, S10e, A5) were not able to write to the NFC-Tag. But it worked without any problems on a OnePlus and a Xiaomi phone. In case you are having some trouble writing to the tag, just try another phone. I recommend to use the App "NFC Tools" - It's also possible to secure the tags eventho the manufacturer says something else. You can add up to 1k of data, which is more than enough to store a vCard/contact, a link to the JWST galery website and some addition text information

What's the story behind all of this?
Someone showed me a video of Urs Ganse (german video of "How to build a spacecraft": https://www.youtube.com/watch?v=5qNHtdN07FM - just in case you understand german and you are a nerd too: You need to watch it!) In addition to that, we also spent a lot of time on one of the last warm summer days looking at the sky and the stars - you can learn a lot about constellations from somebody, who's hobby is sailing. All the rest is just nerd stuff and some crazy ideas which lead to all of this.

Enjoy your printed keychain :)

License
Everybody is allowed to print and build one of these keychains for themselves or friends, etc. The commercial use of this project is strictly prohibited!

James Webb Space Telescope (JWST) Keychain

Base-v03 v8.3mf

IKEA KUGGIS Drawer system
DESCRIPTION
These holderes are designed for a three drawer system with the IKEA KUGGIS Inserts.
https://www.ikea.com/es/en/p/kuggis-insert-with-8-compartments-white-00280208/
https://www.ikea.com/de/de/p/kuggis-einsatz-8-faecher-weiss-00280208/
It's meant for being mounted inside a cabinet or something similar.
The prototypes in the attached pictures were printed on a Voron 2.4 300 mm in black PETG.
I strongly recommend you to reinforce the holders with one screw each (M3 SHCS at least 15 mm long) or they will break of very easily.
The Fusion360 model (f3d file) is also attached.

IKEA KUGGIS Drawer system

Ikea-KUGGIS-Drawer-Right.stl

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Wago 855-2701 current transformer DIN-rail adaptor power measurement

Iskra current transformer DIN rail adaptor

James Webb Space Telescope (JWST) Keychain

IKEA KUGGIS Drawer system