Re: 3D Printers

From	DJ Delorie <dj@delorie.com>
Newsgroups	sci.electronics.design
Subject	Re: 3D Printers
References	(11 earlier) <10d2hst$2e27d$2@dont-email.me> <aR*7hupA@news.chiark.greenend.org.uk> <10d3h9n$2oqkf$1@dont-email.me> <xnbjm2dtmm.fsf@delorie.com> <10d4lo9$2vuea$2@dont-email.me>
Date	2025-10-20 14:04 -0400
Message-ID	<xn347de9gk.fsf@delorie.com> (permalink)

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Don Y <blockedofcourse@foo.invalid> writes:
> No perforations of the outer skin as that would invite critters (insects,
> etc.) to take up residence inside.  So, indicators have to shine THROUGH
> the skin, connectors have to have an interference fit, etc.

Print-in-place translucent patches are something modern 3D printers can
do.

> So, being able to print a clear window can have appeal over having to
> "fit" an indicator into an opening (save a labor step).

But I think they'd fall short of "clear".  You can see light through
them; you can't read through them.

> There are no symbolic references supported?  Or, are the code generators
> not smart enough to make use of them and, instead, repeat literal every
> time needed?

Big CNC machines, like those running linuxcnc, have a crude form of
variables and expressions in them, but big CNC mills tend to have
smaller programs that are still useful.

3D printers generally never have "small" programs and generally do not
have any type of "computing power" built into the language.  It's
literally a very long list of "go here, now here, now here, now here".

It's like limiting Postscript to "moveto" and "lineto" and trying to
print modern text with it.

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3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-16 18:53 -0700
  Re: 3D Printers Martin Brown <'''newspam'''@nonad.co.uk> - 2025-10-17 09:45 +0100
    Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-17 02:05 -0700
      Re: 3D Printers Martin Brown <'''newspam'''@nonad.co.uk> - 2025-10-17 12:11 +0100
        Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-17 04:53 -0700
  Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-17 13:20 +0100
    Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-17 08:22 -0700
      Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-17 19:24 +0100
        Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-17 13:27 -0700
          Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-18 11:02 +0100
            Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 06:20 -0700
              Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-18 15:36 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 07:58 -0700
              Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 18:01 -0700
                Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-19 08:37 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 01:04 -0700
                Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-19 11:11 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 04:26 -0700
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 04:52 -0700
                Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-19 16:46 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 13:22 -0700
                Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-20 01:33 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 23:44 -0700
                Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-20 14:04 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-20 16:15 -0700
                Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-20 21:07 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-20 18:38 -0700
                Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-21 11:58 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-21 09:47 -0700
                Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-21 13:28 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-22 01:22 -0700
                Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-20 15:19 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-20 07:50 -0700
        Re: 3D Printers albert@spenarnc.xs4all.nl - 2025-10-18 09:17 +0200
      Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-17 20:22 +0100
        Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-17 13:42 -0700
          Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-18 11:25 +0100
            Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 07:39 -0700
              Re: 3D Printers Theo <theom+news@chiark.greenend.org.uk> - 2025-10-18 17:17 +0100
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 09:41 -0700
          Re: 3D Printers antispam@fricas.org (Waldek Hebisch) - 2025-10-18 12:36 +0000
            Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 06:52 -0700
              Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 02:03 -0700
      Re: 3D Printers albert@spenarnc.xs4all.nl - 2025-10-18 09:12 +0200
      Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-19 00:44 -0400
        Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 22:04 -0700
          Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 22:08 -0700
            Re: 3D Printers liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-10-19 10:34 +0100
              Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 03:44 -0700
          Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-20 00:53 -0400
            Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 22:08 -0700
              Re: 3D Printers DJ Delorie <dj@delorie.com> - 2025-10-20 01:50 -0400
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-19 23:59 -0700
                Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-20 00:01 -0700
    Re: 3D Printers john larkin <jl@glen--canyon.com> - 2025-10-17 08:32 -0700
      Re: 3D Printers Bill Sloman <bill.sloman@ieee.org> - 2025-10-19 02:10 +1100
        Re: 3D Printers john larkin <jl@glen--canyon.com> - 2025-10-18 09:09 -0700
          Re: 3D Printers Lasse Langwadt <llc@fonz.dk> - 2025-10-19 03:46 +0200
            Re: 3D Printers john larkin <jl@glen--canyon.com> - 2025-10-18 20:11 -0700
            Re: 3D Printers liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-10-19 10:34 +0100
              Re: 3D Printers Lasse Langwadt <llc@fonz.dk> - 2025-10-19 14:41 +0200
                Re: 3D Printers liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-10-19 15:29 +0100
                Re: 3D Printers Lasse Langwadt <llc@fonz.dk> - 2025-10-20 17:35 +0200
                Re: 3D Printers liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-10-20 17:22 +0100
                Re: 3D Printers Lasse Langwadt <llc@fonz.dk> - 2025-10-21 01:17 +0200
          Re: 3D Printers Bill Sloman <bill.sloman@ieee.org> - 2025-10-19 16:32 +1100
      Re: 3D Printers Lasse Langwadt <llc@fonz.dk> - 2025-10-19 03:41 +0200
        Re: 3D Printers Don Y <blockedofcourse@foo.invalid> - 2025-10-18 20:38 -0700

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