Cadet & Castle module builders list and build requests

If you’re looking for someone who can build a Cadet or Castle module for you, reply to this thread or contact one of the individuals in the list below.

Here’s a list of electronics builders willing to build Cadet and Castle modules on commission. These fine folks are available to contact for building services if you are not an electronics hobbyist and want an assembled version of these DIY projects.

If you’re a builder, please reply to this thread and I’ll add you to the list.

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I’m available for commission and will gladly build any of the Cadet or Castle series for those interested. Feel free to hit me up through a private message and we can arrange the details from there.

Assembly | DIY Background
My journey into DIY electronics started around 2004 and ramped up around 2008. Sometime in 2009 I started working for Toppobrillo Music Electronics and did a lot of assembly for the early production runs prior to everything moving into factory production. I continued with some of the final assembly and calibration up until around 2014. I’m very comfortable with DIY at this point and I strive for clean builds. I’m located in Los Angeles, CA.


Name’s Ryan… Nice to meetcha!
Happy to do commissions and builds for people who can’t/don’t want to DIY.

Have built many kits and modules, including 3 sets of Castle Modules for clients (and a few single modules), Cadet line, and several other kits including Paia 9000 series, Turing Machines, EM Klee sequencer (with offboard wiring). I have even etched my own PCB’s and completed working prototypes. Located in Southern CA and have quick turnaround times.

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I’m Martijn.
I’ve build a lot of Cadet modules (from pcb to custom format and eurorack)
and am willing to do builds for others!

I’m located in The Netherlands (EU)

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Contact details, Ryan? is best. Apparently the forum links there, because that’s where I saw the message.


I’d be down, as I’ve built the complete castle and cadet lines for myself and a few friends, all of which have worked and survived live use. Located in Dallas, Texas.

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Hey there! I’m in Chicago and I’m looking for someone to build/mod whatever is necessary to get the 3Trins synth to play nice with LZX stuff. Does that sound like something you’re hip to doing?



Hey there, I live in Nova Scotia and I’m inquiring about the cost of getting a few cadet module assembled. I have a lot of diy expeariance but not sure if I have the time to ensure I order all the correct components

@creatorlars I’m a builder and am happy to build stuff - add me to the list!

@joyfultalk I’ll PM you!

Hey, i’m based in the UK and available for build commissions!

I have a degree in electronic engineering and have several cadet modules plus an 3trins which was built from kit.

Contact or on here!