@chrishuck@fosstodon.org
@chrishuck@fosstodon.org avatar

chrishuck

@chrishuck@fosstodon.org

Mechanical Engineer, Cyclist, 3D modeling of all kinds, 3D printing, Linux, programmer. Believer in making things better for everyone

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MisterHW, to random

Whatever those "Yay I did a thing with " folk are doing... I'm not getting it.

Making functional parts that have to come out right sucks.

Below is the scrap pile from trying to print a GT2 pulley that goes on a brushless motor.

chrishuck,
@chrishuck@fosstodon.org avatar

@MisterHW Are you having trouble getting the parts to print successfully? Or, is it a fit issue?

Both can be challenging, regardless of CAD.

chrishuck,
@chrishuck@fosstodon.org avatar

@MisterHW I agree that workbench documentation should contain references to the standards (if any) that the geometry produced is based on. That would certainly help your confidence that model itself is not the problem when troubleshooting. It might be a stretch to have 3d printing specific info for the timing belt pulleys because it’s only one method of production. Printing considerations may not apply to machining.

chrishuck,
@chrishuck@fosstodon.org avatar

@MisterHW Shaft fits with 3d printing can be tricky if you’re trying to avoid post processing. I’ve definitely had to reprint things to get what I want after adjusting the model. I’ve found it beneficial to just print a portion of a part to figure out clearances before printing the whole part. Just part of the design process!

MLE_online, to random
@MLE_online@social.afront.org avatar

Dreamt I got roped into performing at a bluegrass competition as part of a trio with a pair of podcasters I met. They asked me to play guitar.

I don't know how to play guitar, and I told them so, but they assured me I could do it.

We showed up for the competition and I realized I had forgotten to bring my guitar with me. I tried to tell them, but they were too excited to perform and didn't listen to me.

All I could do was sing along, but I only knew half the lyrics. We did not win the competition

chrishuck,
@chrishuck@fosstodon.org avatar

@MLE_online This is so goddamn funny 😂

mathowie, to random
@mathowie@xoxo.zone avatar

Apple keynote first thoughts:

A big new iPad Pro with the new keyboard would be great but I checked and it’s $1848 which is $500+ more than a new 15” MacBook Air, and I didn’t see any mention of MagSafe charging being added to iPads.

If Apple made a home dock wireless charger/holder like the Google tablets have, I’d buy one for the kitchen counter as a family Apple Home controller/recipe lookup screen that is always charged and ready to play tv/movies when undocked.

chrishuck,
@chrishuck@fosstodon.org avatar

@mathowie I have an original 12.9” iPad Pro and it’s been great for 7 years. It’s definitely showing its age and is EOL on iOS. As much as it pains me to spend so much money on a new one, the keyboard and pencil are great for me. I also use it for music recording and 3d modeling. I feel like this will be another 7 year iPad for me.

chrishuck,
@chrishuck@fosstodon.org avatar

@duganj Just Shapr3D for quick modeling of ideas for personal stuff when I travel. It’s way more convenient when sitting in an airport or on a plane. If I’m at home, I just do it in FreeCAD because I have my actual computer.

foosel, to random
@foosel@chaos.social avatar

I've been in a crafting mood for a few days now. One of the results of that were my recent adventures in book binding , the other was finally figuring out a good way to create custom playing cards for print'n'play games.

I stumbled across in one of my itch.io bundles and that was the trigger: Cards were printed one sided on a piece of 185gsm linen stock, sealed with fixative, folded and spray glued together, then cut. A bit thick but feel & shuffle great!

Front and backs of the cards

chrishuck,
@chrishuck@fosstodon.org avatar

@foosel This seems like it could also be a cool 3d printed case. I made one for Monopoly Deal that’s pretty great. So much so that a friend wanted one for their deck too!

chrishuck, to random
@chrishuck@fosstodon.org avatar

@jsnell It made me so happy that you picked Radiodread in the 2000’s album draft, even if it was in the Bring Out Your Dead round.

I often put that album on when I get off an airplane and listen while walking to baggage claim and waiting for my luggage. It just puts me in a good headspace.

rasterweb, to Milwaukee
@rasterweb@mastodon.social avatar

Kenilworth Square East, currently a UW Milwaukee arts building that was once a Ford Model T plant in built in 1914.

chrishuck,
@chrishuck@fosstodon.org avatar

@rasterweb There’s actually a street close to me called Kenilworth that’s in a pretty nice neighborhood.

At first, I thought that was a historical photo!

MisterMaker, to random
@MisterMaker@fosstodon.org avatar

I almost never cnc oak. So it's a bit of a learning curve. But it ended pretty well.

chrishuck,
@chrishuck@fosstodon.org avatar

@MisterMaker Looks great! But, those glasses are far too empty.

MLE_online, to random
@MLE_online@social.afront.org avatar

What a crazy kitchen appliance! I have zero need for it, but I want to buy it just so I can try it out.

chrishuck,
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@MLE_online @linux_mclinuxface @jonquass I used to have a Vitamix blender that you could cook soup in because it imparted so much energy to the liquid as it blended. That always impressed me.

Now, we have a Pampered Chef (convoluted events) blender that actually has a heating element, but the carafe is vertical. Haven’t used it yet, but it feels like the heating element is cheating.

lewis, to random
@lewis@social.lol avatar

I’m very glad I prepared my first weeks posts. Moving house this weekend and we won’t have internet until Tuesday at the earliest, so no chance to write anything this weekend

chrishuck,
@chrishuck@fosstodon.org avatar

@lewis Whenever there was something large that needed moving, my dad would say “Get you and some of your strong-backed, weak-minded friends to come help move this stuff.”

(They paid us and fed us, but only after some desks moved up a few floors)

chrishuck, to random
@chrishuck@fosstodon.org avatar

As a mostly self-taught player of guitar, mandolin, and bass, I kind of wish I’d learned scales long ago. I will say that learning bass has made me learn where all of the notes are better, which has actually made me a better guitar player. I can usually pick things up by ear, and I can watch what others are playing to follow along. After almost 25 years of playing, the theory is kicking in, and I’ve got a nice positive feedback loop between instruments.

But, I still can’t read sheet music…

elb, to emacs
@elb@social.sdf.org avatar

One of my students opened up today, opened up a GUI file manager, found a file, grabbed the icon, dragged it onto Emacs, and dropped it. And it WORKED. I'm not sure which part distressed me more.

chrishuck,
@chrishuck@fosstodon.org avatar

@elb Emacs. Slowly catching up to the 20th century.

chrishuck,
@chrishuck@fosstodon.org avatar

@elb Not gonna lie, literally this morning, command line skills saved me a day’s work by rescuing some files salvaged from an old laptop drive. GUI file manager couldn’t open the folder because of how it’s configured, even though it’s still just a folder. Sometimes, the “less fancy” tools get the job done.

(Emacs just makes it too easy to pick on 😉)

chrishuck,
@chrishuck@fosstodon.org avatar

@vt52 @elb I think you dropped a decade there…

(Don’t worry, I do it too. Remember, 1980 was only 20 years ago… Oh, wait)

pafurijaz, to car
@pafurijaz@mstdn.social avatar

Eric Stoddard the founder of is using Gravity Sketch to do a live trace of a Tesla Model 3, and then export to for a CAS model he working on to boost his Class A surfacing skills. AR is a great way to quickly capture a digital representation of a real vehicle or clay model. but I think soon AI will replace that. Personally I see many problem but is the show for customers.

video/mp4

chrishuck,
@chrishuck@fosstodon.org avatar

@pafurijaz That is really damned cool. Mobile geometry capture is a challenge in my industry. It would make our equipment programming way easier when we don’t get customer drawings ahead of time. Unfortunately, we work in very dirty environments. It can fool cameras, which makes the data unreliable. Such a bummer to not be able to use something so useful.

MLE_online, to random
@MLE_online@social.afront.org avatar

Ceramics class!

I finished building my ring jug and I started on an abstract piece of pipes

image/jpeg

chrishuck,
@chrishuck@fosstodon.org avatar

@MLE_online I don’t know why this made the Super Mario Brothers theme pop into my head

18+ scollado, to random French
@scollado@framapiaf.org avatar

Are there any @FreeCAD gurus around here ?
I'm looking for advice/help on how to apply a subtractive pipe to create a groove in a (weirdly) curved surface.
The surface is green in the pictures below.

This is a support for an electronic device and I'm trying to "hide" the power cable by "clipping it" in one of the 3 legs.

Happy to share a FCStd file if needed.
0.21

image/png

chrishuck,
@chrishuck@fosstodon.org avatar

@scollado @mfraz74 @FreeCAD I finally got a chance to mess with some techniques this morning, and Mark’s suggestion of the CurvesWB is a good one. I used a PipeShell with two circle cross-sections and one of the helical edges as the spine. Then, I did a Boolean cut in the PartWB and applied a fillet to the edges of the channel (optional).

Does this capture what you’re after? There are some considerations for non-circular cross-sections.

Screenshot from FreeCAD showing a hidden-line view of a model. One of the spiral legs has a groove following the spiral.
Screenshot from FreeCAD showing a shaded view of a model. One of the spiral legs has a groove following the spiral.

chrishuck,
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@scollado @mfraz74 @FreeCAD That’s badass! Glad to help you out!

chrishuck,
@chrishuck@fosstodon.org avatar

@scollado @mfraz74 @FreeCAD So, I presume that worked? I’d like to see a screenshot of the result of the auxiliary orientation mode. My initial thought was to use a Subtractive Pipe in PartDesign, but I couldn’t get it to maintain the orientation correctly. I didn’t try the auxiliary.

chrishuck,
@chrishuck@fosstodon.org avatar

@scollado I saw that screenshot of the feature being edited. What I was curious to see was the final output shape.

chrishuck,
@chrishuck@fosstodon.org avatar

@scollado That looks great! I’m going to have to experiment with that Auxiliary orientation feature. It’s way easier than the method I proposed. I prefer keeping my work within one WB when I can. Great work!

chrishuck,
@chrishuck@fosstodon.org avatar

@scollado That is super cool, Seb! You’re not spamming me at all. Love seeing stuff people are making with . Your initial question really tested my modeling skills to try and provide a solution for you. Glad we could all learn something together from your cool project!

kbob, to random
@kbob@chaos.social avatar

I do not understand components and coordinate systems in Fusion 360. Because of that, I may have lost the design I've been drawing all week.

I changed a parameter, and half the things that should have moved did move, and half did not. Curves that had been closed were no longer closed, and things got worse from there.

It looks like parameters used in the Move/Copy command don't update? Do I have to use a rigid joint to fix every component?

Advice welcome.

chrishuck,
@chrishuck@fosstodon.org avatar

@kbob This is a great idea!

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