Tag: 3dprinting

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MatterHackers MH Build Series PLA Filament

In my post about Arcade Button Wrenches I mentioned the PolyMaker PolyTerra filament comes on cardboard spools, which is a bit more friendly to recycling and sustainability than so many of the filament manufacturers that use a plastic spool. My go-to filament for a few years now has been the MatterHackers MH Build Series PLA Filament which… comes on a plastic spool. But wait! MatterHackers also has a MH Build Series PLA Filament – Cardboard Spool that, well.. you guessed it! Comes on a cardboard spool.

Worth noting, I do not use an AMS unit on my Bambu Lab P1S printer. If you do, cardboard spools can be an issue. Though honestly you’re probably wasting a ton of filament if you’re using the AMS and doing multicolor prints so what’s one more spool in the landfill, right? (Or wait… reusable spools are a thing, right?)

Spools are of course, not standardized. If you remember my Hygrometer Filament Roll Holder you may remember this bit:

Note that every roll of filament from every manufacturer may have a different spool hole diameter. In fact, even the same damn roll of filament may have different diameter holes on each side!

But we’ll get into that topic (along with reusable spools) in another post…

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Arcade Button Wrenches

I use a lot of these Big Dome Pushbuttons in my line of work… and I also use the GoldLeaf Pushbuttons and sometimes you just want those things screwed in tight. So I made wrenches for both of them so you can screw them in tight.

You can get the STL and .scad files from Printables.com – Big Dome Pushbutton Wrench and also from Printables.com – GoldLeaf Pushbutton Wrench

One more word of advice, at least for the Big Dome, though it’s not a bad idea for the GoldLeafs as well… Once everything works and you’ve tightened the nut in place, add hot glue. Add a lot. Hot glue the shit out of that nut. Glue it to the panel it goes through, and glue it to the threads of the plastic housing. Why? Because I’ve seem both kids and adults in my time twist the button until it rips the wires off. It’s possible with the Big Dome if not glued down, and while I’ve never seen it on the GoldLeaf buttons, I still add glue just in case.

Oh, this is also the first time I’ve tried PolyMaker filament. I grabbed a roll of Polymaker PolyTerra “Army Light Green (HEX Code – ?A78403)” Matte PLA Filament. I like the color, but I realized this may be the first time I’ve used matte filament. It’s different than what I’m used to, but I don’t hate it. The PolyTerra PLA comes on cardboard spools, which should be more environmentally friendly than all those darn plastic spools. Supposedly for every Polymaker PolyTerra spool sold a tree is planted. I don’t know how to confirm that but if true, that’s a nice thing.

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Customizable Trays in OpenSCAD

A 3d Printed Customizable Tray

This is an OpenSCAD script that can create custom trays/drawers based on the dimensions you set, because it is a parametric design. If you’re new to OpenSCAD this might be a nice project to examine. It uses the BOSL2 library (Belfry OpenSCAD Library, v2.0), and it’s a pretty simple and (hopefully) easy to understand script.

A 3d Printed Customizable Tray

I tend to use this to create small “drawers” to fit on my desk, or under my monitor stands. The large one pictured is 185x185x40, but the idea is for you to make them whatever size you need as it’s a parametric design where you set the variables to have whatever values work for your specific situation.

A 3d Printed Customizable Tray

If you’ve used OpenSCAD and mainly stuck to the cube you might want to look at the MCAD library or the BOSL2 library, as they offer a lot more options for creating cubes (and other shapes). Of course with more power comes more complexity, but you can make rounded cubes of all sorts with MCAD and BOSL2. (MCAD was my go-to for rounded cubes but I’m just getting into BOSL2 and this is my first project using it.)

You can get the .scad file from Printables.com – Customizable Tray. Open the .scad file in OpenSCAD, change the dimensions, and render a tray!

A 3d Printed Customizable Tray

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Rugged Parametric Box in OpenSCAD

Universal Parametric Rugged Box by Rainer Backes is perfect. Read more below if you need to.

Universal Parametric Rugged Box by Rainer Backes

I mentioned “Rugged Boxes” a bit in my Hardware Gridbox post, but the idea is basically a small box with a latch that is rugged, so it’s like a tiny Pelican case that you can print yourself.

It’s the sort of thing that if you want one a specific size for a specific use that someone else also needs, you might find it easily… but if you want it a custom size just for your specific application, well… you need to be able to adjust the design. There are a bunch of parametric designs that work with Fusion 360 (which I do not use) and I don’t know if Rugged Box (Parametric) by Whity is the original but it’s definitely quite popular.

Here’s an 80x80x60 version I printed, but I wanted something smaller. I tried this one but didn’t like it. So finally, we’ve got one that ticks all the boxes!

Universal Parametric Rugged Box by Rainer Backes is perfect. And by “perfect” I mean it’s written in OpenSCAD, and it works. At least my first print worked, as you can see by the photos. I haven’t pushed the design too hard yet, but being done in OpenSCAD means I can go crazy with it.

This saves me the trouble of having to write my own, which I did start working on. While I do enjoy designing objects I also enjoy finding code that someone else wrote that does exactly what I need. It looks like Rainer has a bunch of models written in OpenSCAD, so I may need to dig through the others for inspiration. Thanks, Rainer Backes!

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xtouch Controller for P1S

As I mentioned in my post about the Bambu Lab P1S the control panel leaves a lot to be desired… I also mentioned I might try the xtouch controller, and I did, and it works great.

You can grab the code from the xtouch GitHub repo and if you’re lucky like I was it’ll just freaking work on the first attempt. I say this only because I joined a Facebook group for the xtouch and like all Facebook groups there seem to be a number of people who just cannot get things to work. I was pleasantly surprised at how easy it was to set up.

By the way, these “Cheap Yellow Displays” were recently covered on Hackaday in the post “Cheap Yellow Display” Builds Community Through Hardware which is worth a look if you have other ideas.

I printed this Bambu Lab P1P/P1S/X1C Touch Screen Desk Stand (xTouch) and I have it sitting on my desk for now as a remote monitor. I’m not even sure I will attach it to the printer as most people seem to do.

My only gripe is that it doesn’t do more, but it sounds like that’s not really the developers fault, and they are working on improvements and limited to what the printer can do via MQTT but honestly for an open source project on this cheap hardware (I think mine was under $13 USD) it’s a nice addition.