[HN Gopher] Splice: Cable Harness Design Made Simple
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       Splice: Cable Harness Design Made Simple
        
       Author : nateb2022
       Score  : 16 points
       Date   : 2025-07-07 04:04 UTC (2 days ago)
        
 (HTM) web link (splice-cad.com)
 (TXT) w3m dump (splice-cad.com)
        
       | all2 wrote:
       | Just from glancing at the home page, this looks like a much
       | fancier version of my SVG pipeline from 15 years ago. If it isn't
       | too opinionated, it should be rather useful.
        
       | dylan604 wrote:
       | I've never seen reference to mate/wire side instead of
       | male/female. Is that a Euro thing?
        
         | SoftTalker wrote:
         | Maybe a modernization of terms, such as replacing
         | "master/slave" terminology with "controller/worker" or similar
         | in various computing or mechanical systems?
        
         | gia_ferrari wrote:
         | They specify different things. The wire side of a bulkhead
         | connector may be male or female. Some connectors (i.e. the
         | Molex ones you used to see at Radio Shack) are even designed so
         | you can make a custom arrangement of male/female contacts
         | within one connector housing.
        
         | omgtehlion wrote:
         | I suppose this is about different thing: male/female are about
         | two parts of connector mating together. And each of these parts
         | has mating side (to the other) and side where wires come in.
         | This is the first time I see this distinction though (usually
         | only mating side is considered)...
        
         | exmadscientist wrote:
         | That is a separate issue. There are (at least) four different
         | distinctions in cable connectors:
         | 
         | 1. Jack vs plug. The "plug" side is the side that moves. The
         | "jack" side is the side that doesn't move, or moves less. Think
         | of a wall outlet: the "jack" is the outlet and the "plug" is
         | the, well, plug.
         | 
         | 2. Male housing vs female housing. The "male" housing goes into
         | the "female" housing. Simple enough (if you don't have to
         | explain it to your six-year-old...).
         | 
         | 3. Male _terminal_ vs female _terminal_. Again, the male goes
         | into the female. But the little conductive pins don 't have to
         | (and, often, don't) match the gender of the housing itself.
         | Molex Micro-Fit 3.0 is an excellent connector series that is
         | notorious for having the terminal gender reversed from the
         | housing gender. (And of course, both genders of crimp terminal
         | are available.) This can cause problems if your communication
         | is not perfect, but _is_ still good enough that people actually
         | think they can trust you.
         | 
         | 4. Mating view vs wire view. "Mating view" is the view that
         | you'd see if you were sitting on top of the mating connector,
         | just before you got squished. "Cable view" is the view that
         | you'd see if you were riding on the wiring behind the housing.
         | They are mirror images of one another. It can be impossible to
         | tell from a pinout drawing which view it is, even if there is a
         | polarization feature (pin 1 marks are often OK, latches are
         | usually not), _so you HAVE to say_. The  "component view" vs
         | "solder side view" distinction (among other names) is analogous
         | for PCB mount connectors.
         | 
         | All of these issues are but a small part of what makes
         | connectors _utterly horrible_ to deal with. They have wasted
         | more time, money, and effort than you will ever know.
        
           | dylan604 wrote:
           | > They have wasted more time, money, and effort than you will
           | ever know.
           | 
           | Oh, I'm well aware. I've been making custom cables since high
           | school back when Moses was a baby floating down the river.
           | 
           | If it weren't for all of the confusion, we wouldn't have
           | lovely phrases like "fuck the truck" to help remember which
           | end of the cable goes to the truck.
        
       | gia_ferrari wrote:
       | Separately from the software itself, I'm left with questions
       | about the context in which this tool is provided.
       | 
       | - Is this a passion project? Commercial? Is it free? Will it
       | always be free? What's the pricing model? - How do I get in
       | contact? - Is there a company behind this? - If I start using
       | this, can I hold on to/export the data in usable form?
        
         | splice-cad wrote:
         | Hi all -
         | 
         | Nate, thanks for sharing this - I actually posted this over
         | here (https://news.ycombinator.com/item?id=44417587) a few days
         | ago.
         | 
         | Regarding pricing, etc. - right now we're limiting users to 50
         | harnesses per account. There are no plans to charge for usage
         | below this amount with the current features. I'm hoping people
         | find the tool useful and we can use the feedback to improve it.
         | 
         | You can can get in touch here: info@splice-cad.com
         | 
         | Re mate vs wire side, that's just my preference - no ambiguity
         | in orientation!
        
           | gia_ferrari wrote:
           | Thanks for the reply! If this information were available on
           | the landing page, I'd have felt a lot more comfortable
           | investing the time to try the tool out. I do appreciate how
           | far you can explore even without an account.
           | 
           | Couple more ideas for the landing page:
           | 
           | - Provide links to examples of generated exports in the
           | formats you support, so folks can get a feel for how it might
           | integrate into their workflow.
           | 
           | - The elements under "Everything You Need for Cable Design"
           | animate as though they're interactive, but clicking them does
           | nothing. Confused me for a bit.
           | 
           | - Page is very hard to read on mobile.
           | 
           | Other thoughts:
           | 
           | - I wasn't able to figure out how to pan the editor view
           | around.
           | 
           | - Adding some sort of json/yaml/xml import/export would open
           | up a lot more workflow possibilities. For example, I want to
           | associate a harness version with a git tag, without needing
           | to manually make a copy of a harness version in the app. Git
           | (and/or github) integration would be great. Honestly, even an
           | opaque blob export would be tolerable.
        
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       (page generated 2025-07-09 23:01 UTC)