Fixing Cura broken linux packages (slicing fails silently)
How to build Cura's slicer "SteamEngine" from scratchCura releases for Linux are often broken, probably because the author better implements features than packages (which is a good thing!) and because...
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Features and improvements for a would-be homemade Ultimaker
How would I re-design the original Ultimaker?Quite some changes on the back ofmy Ultimaker Original (aka v.1)!The Ultimaker 1 (aka Original) is a well-built printer. It is probably one of the oldest...
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Thoughts and hints around hot ends
This post finally documents ideas and hints I had during the design of two hot ends I made last year.My extremely small "cheesy hot end" (all-metal and actively-cooled), here with an Ultimaker printed...
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Quick comparison: pro versus low cost FDM 3D printers
Are so-called "professional" entry-level 3D FDM printers worth their price?A LinkedIn user in my network asked for more data when I said that "low cost" FDM printers could compare favorably to...
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3D print fair at Fabcon 2014: feelings and people
Fabcon 2014 - was worth 2575 kilometers and 31 hours on a motorbike!So I was kindly offered to give the closing talk of the 2014 edition of Fabcon 3.D in Erfurt, Germany.My talk is now available online...
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The businessman and the maker
The Businessman and the MakerBusinessman v.s. Maker (although Dilbert is certainly not a maker!)At Fabcon 2014 3D print fair (my feedback is here), I gave a speech entitled "Make it yourself: it can be...
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Why you should not buy Makerbot 3D printers!
Avoid Makerbot and its 3D printers, they are both wrong.Really! And there are many reasons not to buy: cost, reliability, human values, innovation and so.I endorse even less Makerbot businessthan I...
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Four in the morning. Just had a few tweaks to finish my upgrade...
Eventually "implemented" my upgrade! I certainly did not think it would take me so long, but once you start to sort the mess that's below a 3D printer you just can spend days on it! There is a brief...
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Material for artists: 3D printing wood, chalk, and eventually metal with bronze
A gorgeous dual material and wellpolished bronze ring by foehnsturmImportant materials for artistsStill today, the visual quality of 3D printed objects is far from perfect. Of course, a stringy or...
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What cannot be 3D printed? Time to debunk some myths!
General 3D printing misinformation: review of facts and fiction!Each technology has some fundamental limitations, and 3D printing is no exception.As soon as I owned and wrote about 3D printers, people...
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E3D v6 hot end: ideas and assembly tricks
Assembled E3D v6 with a few particularitiesYou may remember that I wrote broadly about hot ends in an another post, but this short new one is specifically about the sixth revision of the E3D family...
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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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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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Article 1
Sad day for intelligence and respect.David PopeI can't even blame those stupid murderers at Charlie Hebdo. They just are not worth the intelligence nature gives us. If at least it was for money or...
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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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