gcodepreview
GSharp
gcodepreview | GSharp | |
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25 | 10 | |
11 | 29 | |
- | - | |
7.8 | 0.0 | |
9 days ago | about 7 years ago | |
OpenSCAD | C++ | |
GNU Lesser General Public License v3.0 only | BSD 3-clause "New" or "Revised" License |
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gcodepreview
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Digital Wood Joints
I've been working on this sort of thing for a while.
For a Japanese spin on this see Tsugite:
http://ma-la.com/Tsugite_UIST20.pdf
which I worked through at:
https://community.carbide3d.com/t/a-study-of-joinery/28492
Traditional joints (box, dovetails, or obscure variations such as Knapp (cove and pin)) require a vertical fixture and 3 setups (at a minimum) --- cut parts to length and machine internal features, mount four board and cut joints in 2 corners, flip boards (with correct orientation) and cut other two corners.
Rabbet joints are simpler --- so simple that they were covered in a video as "The Simple Box":
https://www.youtube.com/watch?v=V93xDM3lXsM
(ob. discl., I work for Carbide 3D)
There have been a number of programs developed for joinery. A current commercial option is:
http://www.g-forcecnc.com/jointcam.html
(but it requires a vertical fixture)
One commercial option became freely available:
https://fabrikisto.com/tailmaker-software/
and ingeniously has an option where a 30 degree V endmill is used, but to cut boards held at a 15 degree angle, affording a 90 degree cut with a great deal of control and flexibility --- this can multiply setups to 9.
A variation I've been experimenting with is full-blind box joints:
https://community.carbide3d.com/t/full-blind-box-joints-in-c...
They're reasonably easily drawn up, though they do have some rather specific tooling requirements (a narrow 90 degree V endmill, a square tool of that or smaller diameter, and to make things easier, a large V endmill)
One test project was so tight that after putting it together for a dry-fit before gluing I was unable to get it apart:
https://cutrocket.com/p/63781eaf9822f/
I've been working on a programming system to make this sort of thing a bit easier:
https://github.com/WillAdams/gcodepreview
and have some sketched out joints which I've not been able to make using existing CAM tools which I hope I'll be able to do using this system (if anyone could recommend books on conic sections, I'd be grateful --- that's where I got bogged down last time).
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PicoGK is a compact and robust geometry kernel for Computational Engineering
While I certainly appreciate the virtues of a Domain Specific Language, and that OpenSCAD has been wildly successful because of its limitations, the limitations are downright infuriating at times.
An interesting potential alternative (which hopefully won't result in a fork) is adding Python:
https://pythonscad.org/
which I've had some success with:
https://github.com/WillAdams/gcodepreview
ImplicitCAD is interesting --- and the (new?) ability to open files from GitHub is _amazing_ (OpenSCAD recently gained that same facility, _and_ it supports the customizer: https://seasick.github.io/openscad-web-gui/?https://raw.gith... ), but it's a heavy lift given the need to work out how to edit files, preview them, and so forth.
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Flattening Bézier Curves and Arcs
Do you have a need to?
Do you have a project which might be able to make use of this? What sort of work do you do?
I am bookmarking this for re-reading later because I hope it will help me to understand how to implement Bézier curves in a tool I've been working on for controlling a CNC machine/creating files for cutting on a CNC:
https://github.com/WillAdams/gcodepreview
(but first I have to get arcs working)
- OpenSCAD Survey - What should be improved ?
- OpenSCAD Survey - what programming language do you want to be added to app?
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FullControl: Unconstrained gcode design for 3D printers
Interesting.
I've long been frustrated by traditional CAD/CAM, so finally worked up:
https://github.com/WillAdams/gcodepreview
which allows me to use:
http://pythonscad.org/
and:
https://github.com/derkork/openscad-graph-editor
to create joinery:
https://forum.makerforums.info/t/openscad-and-python-looking...
which would otherwise be tedious to draw up:
https://community.carbide3d.com/t/creating-drawers/19475/26
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Visual Node Graph with ImGui
The problem here is that a fundamental question has not been answered, and as far as I can tell, has not been addressed by any of these visual environments:
What does an algorithm look like?
Herman Hesse alluded to this in his novel _The Glass Bead Game_, but despite decades of discussion and work, no one has made a convincing pysical representation of that system.
I love the concept, and have made some moderately complex attempts, e.g.,:
https://www.blockscad3d.com/community/projects/1430644
https://github.com/WillAdams/gcodepreview
it always devolves to screen size being out-paced by problem complexity --- one gets something of an inkling of this at:
https://scriptsofanotherdimension.tumblr.com/
Alternately, one can just break a project down into modules, but then the top-level view becomes the wall of text representation (albeit w/ nice lines or captured into pretty boxes) which one is ostensibly trying to escape.
I'd love to see someone succeed in this, and I've been using:
https://github.com/derkork/openscad-graph-editor
quite a bit, and put a bit of money towards:
http://nodezator.com/
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Suggest for buying a small CNC
or perhaps Solvespace --- certainly FreeCAD, and if you're inclined to do programming, OpenSCAD --- see: https://github.com/WillAdams/gcodepreview for an approach which uses RapCAD
- Buy a used Bobs Evolution 4?
- Script release ETA
GSharp
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OpenSCAD Survey - what programming language do you want to be added to app?
Directly programming in G-code is a non-starter given that Grbl doesn't have loops or branching or variables, and I can't find a good example file for: https://github.com/NRSoft/GSharp
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Buy a used Bobs Evolution 4?
For G-code note that mostly these days it's made using CAM applications. A further consideration is that hobbyist firmwares usually forgo variables and loops and branching (but see: https://github.com/NRSoft/GSharp --- I believe that's integrated into bCNC).
- How to teach Gcode?
- Tool path generation?
- Where and how do I start learning CNC and GM codes from basics for dummies
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Anything new in Programmatic CAD in the past 4 years?
A nice tool for programming in 3D G-code might be workable --- unfortunately Toolpath Language in CAMotics is JavaScript which I don't do well w/ and SketchNC crashes on my machine: http://www.ncplot.com/sketchnc/sketchnc.htm (and is in beta and not ready for production) --- using raw G-code gets pretty unwieldy, and most of the tools for it are expensive, and the controller on my machine doesn't support looping and variables, so it would be necessary to use a pre-processor such as: https://github.com/NRSoft/GSharp (and I can't find a 3D previewer which directly supports that).
- AVID CNC Worth the Price?
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Looking for a G-Code manual for beginners
I'd suggest a good previewer: https://wiki.shapeoko.com/index.php/Previewing_G-Code and if you find one which doesn't support loops and variables you can use GSharp as a pre-processor: https://github.com/nrsoft/gsharp
- Setting up 'simple' operations on near complete workpieces
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Nomad 3 by Carbide 3D
If you want to do 3D parts which are suited to the Nomad's flip jig, and doing CAM in MeshCAM, the Nomad 3 should be a slam dunk --- if you wish to approach work in some other way it should still be workable, so long as you don't secretly want to be a manual machinist or to hand-code G-Code w/ variables and loops (though there is a front-end for doing that: https://github.com/NRSoft/GSharp )
What are some alternatives?
openscad-graph-editor - OpenSCAD Graph Editor
RapCAD - Rapid prototyping CAD IDE for RepRap and RepStrap 3D printing machines.
manifold - Geometry library for topological robustness
Pythonocc-nodes-for-Ryven - Pythonocc nodes for Ryven
jsketcher - Parametric 2D and 3D modeler written in pure javascript
meshmill - The world's greatest open source 3D CAM software. (Maybe one day.)
kons-9 - Common Lisp 3D Graphics Project
gutenberg - A fast static site generator in a single binary with everything built-in. https://www.getzola.org
ShapeScript - The ShapeScript 3D modeling app for macOS and iOS
Original-Prusa-i3 - Original Prusa i3 MK2 3D printer printed parts
pygdk - Python G-code Development Kit