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Gcodepreview Alternatives
Similar projects and alternatives to gcodepreview
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BOSL2
The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA
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BezierInfo-2
The development repo for the Primer on Bézier curves, https://pomax.github.io/bezierinfo
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VL.Fuse
A library for visually programming on the GPU, built to enable rapid workflows and modular approaches to accelerated graphics, logic and computation.
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easy-invoice-pdf
Free & Open-Source Invoice Generator – No Sign-Up, No Ads, Instant PDF export, 100% In-Browser, Customizable Invoice Templates. Star if you like it 🌟
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OpenJSCAD.org
JSCAD is an open source set of modular, browser and command line tools for creating parametric 2D and 3D designs with JavaScript code. It provides a quick, precise and reproducible method for generating 3D models, and is especially useful for creating ready-to-print 3D designs.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better gcodepreview alternative or higher similarity.
gcodepreview discussion
gcodepreview reviews and mentions
Posts with mentions or reviews of gcodepreview.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-05-24.
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Childhood Computing
from:
https://github.com/WillAdams/gcodepreview/blob/main/gcodepre...
(just pushed up that file, but not any other file)
The idea is that a user will be able to specify a joint dimension and position, then generate a set of DXF files, which when imported will cut out the design in question once toolpaths are assigned, no need to go through all the manual drawing.
The afore-mentioned joint, Full_Blind_Box_Joint is used in:
https://cutrocket.com/p/63781eaf9822f
and variations of it in other box designs at: https://cutrocket.com/u/WillAdams
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The Letter S, by Donald Knuth [pdf]
Yeah, Barbara Beeton was kind enough to send me a copy of the AMS report for which I am _very_ grateful.
Didn't mean for my post to come across as cavalier --- it's a _very_ tough row to hoe, and even now, I don't think that there are good solutions in this space (but I haven't checked for a while, been out of the typography scene for a while now --- I'd love to be wrong). Ironically, my current project
https://github.com/WillAdams/gcodepreview
is circling back to the underpinnings of this sort of thing (I need to make a single stroke font so as to make it easier to set text in CNC projects) and I'm hoping to approach this from the bottom up and eventually arrive at a visual and interactive version of METAFONT/POST which will also work as a general-purpose drawing program (so that I'll have one to use when I can no longer use Freehand/MX) --- hopefully that will then allow me to finish a compleat digital version of Warren Chappell's typeface designs as we discussed peripherally ages ago.
- Hobby CNC machining and resin casting (2015)
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Build123d: A Python CAD programming library
Pretty much, that's why for DXF export I rolled my own:
https://github.com/WillAdams/gcodepreview/blob/main/dxfexpor...
(shows a DXF w/ arcs)
https://github.com/WillAdams/gcodepreview/blob/main/gcpdxf.p...
(shows a .py file for making DXFs)
See the PDF at the top level for more information.
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Dune3d: A parametric 3D CAD application
Yeah, it's a tough row to hoe --- I've been handling it quite differently in my own project, taking "Design for Manufacturing" to the ultimate conclusion and requiring that the part be designed by actually applying tooling:
https://github.com/WillAdams/gcodepreview
Needs a full-on re-write to make the G-code export (and import) work well, but lately I've been focused on exporting to DXFs w/ colour/layer tagging which was just added as an import feature in the CAD tool my side-gig employer does.
- FreeCAD is an open-source parametric 3D modeler
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Wirth's Revenge
What is the new way in which manuals should be written?
I've been trying via Literate Programming:
http://literateprogramming.com/
and applying the concepts of:
https://diataxis.fr/
(originally developed at: https://docs.divio.com/documentation-system/) which divides documentation along two axes:
- Action (Practical) vs. Cognition (Theoretical)
- Acquisition (Studying) vs. Application (Working)
resulting in a matrix of four things
- Tutorials
- How-to Guides
- Explanation (of the code)
- Reference (of the code)
which seems to be working well for my current project: https://github.com/WillAdams/gcodepreview/blob/main/gcodepre...
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Parametric CAD in Rust
OpenSCAD is quite polished (for a programmatic mesh modeler).
There is a soft-fork which adds Python:
https://pythonscad.org/
which I've found quite useful: https://github.com/WillAdams/gcodepreview in particular, working up a facility to write out DXFs w/ arcs
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Ask HN: What Are You Working On? (January 2026)
Still working on a system for allowing Open(Python)SCAD to model cuts for a CNC using G-code, and just added support for 3D Printing via Full-control G-code:
https://github.com/WillAdams/gcodepreview
Hopefully I can restore the OpenSCAD interface layer and get it working with OpenSCAD Graph Editor:
https://github.com/derkork/openscad-graph-editor
again. Having trouble finding FCG examples which do more than move in straight lines though...
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OpenSCAD Is Kinda Neat
If you want arcs in a DXF (or G-code), I've been working on that in:
https://github.com/WillAdams/gcodepreview
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Jun 2026
Stats
Basic gcodepreview repo stats
84
83
6.9
12 days ago
WillAdams/gcodepreview is an open source project licensed under GNU Lesser General Public License v3.0 only which is an OSI approved license.
The primary programming language of gcodepreview is TeX.
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