Sujet : Re: Librecad on RasPiOS
De : bp (at) *nospam* www.zefox.net
Groupes : comp.sys.raspberry-piDate : 22. Jun 2026, 21:31:25
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <111c62t$1q2dl$1@dont-email.me>
References : 1 2
User-Agent : tin/2.6.4-20241224 ("Helmsdale") (FreeBSD/14.4-STABLE (arm64))
Theo <theom+
news@chiark.greenend.org.uk> wrote:
bp@www.zefox.net wrote:
I'm having great difficulty making librecad work by tring to
follow the instructions, both in the librecad manual and in
online tutorials. If there's a good written (not video) tutorial
it might help quite a bit, but I haven't found one.
What's not working?
Seemingly, everything 8-)
That points strongly to me being the problem, and it's at
least partly true. I just managed to draw, save and open a
rectagle using a tutorial at
https://docs.librecad.org/en/latest/guides/dwg-edit.htmlbut all layers display all the time, the response to clicks
seemed one click late and the resulting line is dash-dot,
not continuous.
Part of my ineptitude is surely caused by first learning CAD
on a Macintosh (Ashlar Graphite), but I'm starting to wonder
if something more (maybe an outdated APT repository) is part
of my difficulties.
I find LibreCAD a bit awkward. I think it's designed as a clone of AutoCAD,
which means it inherits the AutoCAD way of doing things - that's often
backwards to how other 'design' packages do it.
I find LibreCAD _extremely_ awkward after learning to use Ashlar Graphite,
it really spoiled me 8-) but I can't justify the license cost now.
.
For example, in older versions you couldn't just draw a rectangle with
height and width, you had to draw 4 lines and then set constraints on them
(the four corners are right angles, the left side is of length H and the
bottom side is of length W)
That's how AutoCAD works, and it makes sense when you're doing parametric
CAD. But it's just annoying if you just want to draw some boxes to eg work
out the best positions of furniture in your room, or whatever it might be.
That's the sort of problem I'm interested in, nothing sophisticated.
I can't speak for LibreCAD (which is 2D CAD) but FreeCAD takes the same
approach for 3D: you start with 2D sketches which have lines, arcs and
constraints and then you build 3D shapes from the sketches. MangoJelly has
(a lot of) good tutorials for FreeCAD:
https://www.youtube.com/@MangoJellySolutions/playlists
- I don't think he covers LibreCAD but the generic 'CAD thinking' might be
relevant. Any time he's talking about a sketch it's the same ideas as 2D
CAD.
>
It seems helpful, I'll watch it carefully
I had a brief search for LibreCAD tutorials on Youtube and there's no-one I
recognise, so I can't vouch for any of reliable quality.
I found quite a few, but they're basically unfollowable; cursors can't
be seen on-screen and the narration runs away from me.
Thanks for writing!
bob prohaska
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