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How to use Openscad, tricks and tips to design a parametric 3D object
Part 1/3: Introduction to constructive solid geometry with OpenscadSome technical and non-technical people keep asking me how I create new designs. As often, after a few personal replies, I end up...
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How to use Openscad: variables and modules for parametric designs
Part 2/3: Variable and parametric designSo far we used only "hard coded" numbers (see the previous part regarding the basics of Openscad).Hard coded numbers are mostly always bad. Seriously: when you...
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Fortune 500 teller? 3D printing trends, reports, analyses and business...
Are the "high-level strategically analyzed reports" worth something?Hey, could my blog be so informative? :)I am regularly contacted, mostly on linkedIn, by experts that seek data. The last time it was...
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How to use Openscad (3): iterations, extrusions and more modularity!
Part 3/5: iteration, extrusion and useful parametrized CSG techniquesRepeating shapesAs we saw in the previous article, repeating a shape by copy/pasting its Openscad definition is a bad practice. It...
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How to use Openscad (4): children and advanced topics
Part 4/5: children, factorized placement and chained hullsYes, it was made with Openscad and it is parametric!(extreme collaborative work, picture by N.Goodger)Previously in this tutorial for the...
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Contributing to projects hosted on github: a step by step howto, and an...
Git is powerful... and very painful the first time! / Github contribution howto / Tweaking Marlin for better 3D printer menus.Git amazing mess, only partially resumed by Oliver Steele.Indeed, the...
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CNC fail? 3D printed design blows my ears instead of the dust
I bought a well-built Chinese CNC machine last year, namely a 4 axis CNC3040Z-DQ router/engraver, for about €1000 (as far as I remember).Milling a PCB with a low cost CNC router/engraver controlled by...
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3D printer survival kit: a comprehensive set of 3D printer tools and tips.
Survival kit: tools for the 3D printersThis post started as early as September 2013, and it eventually ends here, may 2015! At least, you can be sure I heavily made my opinion and I have feedback on...
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Headlines again... 3D printing guns, a passion?
Headlines again: 3D printing yet another part of a gun. So what?Please Cody, yes, you the guy with big stainless-steel thermoplastic bollocks, please, now I want new stuff, like 3D printing bazookas,...
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Article 0
Messy code, branches with a lack of guidelines and comments are killimg Marlin!Marlin no more exists as a single, readable, common branch!Where shall I go now?In a previous post, I described a tiny...
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"It is better for your safety that we are opaque" (Volkswagate)
"It is better for your safety that we are opaque"I just read an article on the BBC related to Volkswagen and the "(...) argument for stopping people fiddling with those systems, because if you don't...
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Preliminary expectations and design options for a prosumer, fully opensource...
Call for feedback: designing an opensource, prosumer-grade 3D printerWe are currently designing a 3D printer for advanced, serious, or professional usage.The main target is reliability. The price tag...
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Sensors and issues for automatic bed leveling and height adjustment
My printer eventually has a fully automatic and hardware bed leveling (aka tramming), and bed height (aka Z-offset). Yes, it now handles any tool height without any user action, in addition to a...
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Tribed: a fully automatic bed leveling and tool height adjustment, with FSR...
This post is the continuation of my preliminary analysis regarding bed tramming and automatic tool height adjustment. So far I never made the step to redo my bed, even though it was on my wish list for...
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3D printing sponsorship: getting hired and getting fired ... as with any...
A blow to Octoprint and to the 3D printing community? May be not.This short post is triggered by the recent lay off of Gina Häußge by BQ, its sponsor and maker of some opensource 3D printers (notably...
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Being a contractor or a full-time employee?
Working as a contractor versus regular employment?I regularly see the fear about working as a contractor. Lately I was part of a discussion that started like: could it be risky for any subsequent...
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Cooling 3D prints with an aquarium pump
3D printing cooled with an aquarium pump!It works well and it cannot be quieter. Even toughthe pump is bulky, it is does not pollute the hot end.(the above was a preliminary experiment)Interestingly,...
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PC crash: back to a working state in 5 minutes!
For the last 15 years, both my hardware and system upgrades always evolved AROUND my work, and not the opposite! The overwhelming majority of configuration files, preferences and application shortcuts...
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3D printing nozzle characteristics
Nozzle shapes and nozzle materialsObviously the nozzle diameter is one of the major parameters when 3D printing. But you may have wondered about the many nozzle shapes that are available on the market....
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A huge and unique cross-cultural fablab in Europe!
I was wondering what +Florian Horsch was doing lately. If you are a reader of this blog and do not know already about this great person, you may remember him because he kindly invited me the Fabcon...
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Filament switch: close up shots that highlights further the complexity of...
I stumbled upon this old picture while looking for another one. It shows tiny carbon fibers embedded in crystal-clear polycarbonate, that happened when I switched from CFPLA to a crystal-clear...
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Ultimaker to file patents... with dubious reasons
Yes, this is no April fools' day: Ultimaker is filing its first patents. Wow. We have cheap 3D printers at home specifically because old patents eventually ended up in the public domain. So no lessons...
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Low friction filament spool holder made in 3 minutes
Here is a short post on yet another low-tech but functional tool (the last one was a dry box).Give a maker a 3D printer and every problem is solved by 3D printing... A few years ago I started to...
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Replacing LinuxCNC with a Smoothieboard for CNC milling. Not as easy as for...
I was running LinuxCNC for the last years and I wanted a smaller setup, with room for improvement. Since I had a Smoothieboard around, which is a very capable 32 bit ARM controller for 3D printers, I...
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Home made filament drying box
How to make a simple dehydrator (drying box) with a solar vacuum tubeA short and probably overkill post for a passive and zero carbon footprint drying box (not counting the required one to make the...
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