Maxim Lobovsky

I made a 1m wingspan flying wing RC airplane that prints in a single Form 4L build in just a few parts. Print-in-place, flexural control surfaces for improved aerodynamics and reduced assembly. It actually survived 2 flights! 3rd one ended because of an unfortunately placed fence... Is this useful for anything?

@photoncmndr What do you have improved about galvos?

I am convinced that there has to be a better way to steer coherent light than a galvanometer.

Claiming to be Christian and preaching about the looming danger of the antichrist while opposing philanthropy seems to be a dead giveaway that you are the antichrist.

I had to look up what an unc is, so I guess that confirms it 😅

I wonder if a culture that reminds people to be risk-averse leads to Canada underperforming in entrepreneurship. (Of course I agree that designing bridges that don't fall down is a good thing)

Hard to come up with a great challenge. There is a tiny community running CAD speed competitions, but thise are really focused on a one-shot drawing to CAD challenge (would favor a direct modeling approach) Real CAD/engineering involves iterative cycles of CAD->prototype/simulate->redesign>CAD

@MikkelsenPads @carlbass @MaxLobovsky i’m down if carl is down. i think it would be fun to see the parametric vs. direct modeling approach

make the CEO of autodesk try to do literally anything in CAD live on camera

@carlbass @emm0sh @MikkelsenPads I can be the ref and propose the rules, if you like. Looks like it's going to be a good match 😁

@emm0sh @MikkelsenPads @MaxLobovsky I'm down but we need something better than a turbine blade to test our skills

@carlbass @emm0sh @MikkelsenPads

@emm0sh @MikkelsenPads @MaxLobovsky Here's the lastest contraption - turns photos into drawings. Harder to do w/o params and associatively. Otoh mich stuff on carlbass.com can be done with direct modelling

@emm0sh Former Autodesk CEO @carlbass makes incredible stuff with Autodesk products in his huge shop.

The biggest opportunity in robotics right now is not humanoids, home robots, or any of that nonsense. It's achieving a 10x reduction in the total cost to install an industrial robot ($200k to $20k) using all of the progress in cost reducing actuators and sensors + AI for ease of programming.

@DabsMalone And I'll check on what was out of spec about previous samples

@DabsMalone We have a very busy sales team so we always want them to be careful with their time as some people just want to kick the tires. This is one way to help them filter, but it's not perfect. We are happy to send you more samples. DM me with the email you are using.

Genuine question for the manufacturing crowd Is asking for 3 sample parts to confirm a machine can make your geometry before buying a $65k system excessive? The first two samples I received were out of spec, and now I have to pay for the third. This normal @MaxLobovsky ?

Pure software is rapidly becoming un-investable.

Trump is running a live test of the Great Man theory of history: Maduro captured, Khamenei eliminated. Will removing these single leaders actually transform Venezuela & Iran? Or were they just products of their societies and the status quo (or new strongmen) will snap right back?

Ridiculous considering how many Waterloo alums flock to Elon Musk's companies.

@ptrschmdtnlsn One L each for Increasing torque Increasing total angle change as curve adds up over length Increasing abbe error

@MaxLobovsky I still think back to talking through that L^{-3} dependence in classical beam theory with you and Shane, for support overhangs! It's come up several times since, and I have a very clear memory of the office, and us discussing it.

The performance of almost every physical part is a combination of a Shape factor and a Material factor. Maximizing both makes for the best part. True across mechanical structures, heat transfer, electrical design, even industrial design.

x.com/i/status/20273… It's always Shape and Materials together. You can often improve one at the expense of another (make it out of Silicon carbide but then it needs to basically be a plate or 3d print it with crazy internal geometry but then it's a polymer). Maximizing both is the challenge. So I'd change it to "It's all a manufacturing process problem".

My overwhelming conclusion after ~10 years of investing in advanced technology (mostly things involving hardware) across DARPA, corporate venture, and traditional venture…

FDM is amazingly useful, but it's biggest advantage is not having to deal with as much equipment and post processing. For those who can, SLA and SLS are usually better with better surface finish, accuracy, and materials. But in a service, the downside of post processing is minimal, so SLA and SLS beat FDM.

Yeah my take is basically anything that’s FDM printed at a print farm should just be SLA/SLS, the quality from a Formlabs machine is end-use and already on par with what you’re gonna get from low volume injection molding (actually probably better) i think Formlabs knows this because of now.formlabs.com cc:@MaxLobovsky

Fdm 3d print shops confuse me The whole idea of 3d printing is rapid prototyping Which gets defeated when you have to wait for shipping And you enter “should have bought an fdm 3d printer” territory pretty quickly unless you have a part that doesnt fit on consumer printers Theres of course the more costly specialized material printers that may also require post processing - and that makes sense from an outsourcing perspective But the unfortunate reality of fdm (and many other 3d printing processes) is that it looks bad/is culturally recognized as “cheap quality”. $8k manus gloves coming with 3d printed parts was not a welcomed surprise. Building out the tooling to be able to dfm on the part(s) and convert it into a 3d printed mold with X quantity layed into it and doing quickturn injection molding seems like the better route for an order shop ( @connorkapoor im just sayin, youve got a lot of this tooling already) way faster and cheaper when doing multiple parts Youre only printing the mold (or multiple molds if you want to parallelize machines) Apply some post process to remove layer lines if using fdm Parts will look way better in the end - can actually use in end products without the 3d printing stigma Im pretty surprised we have quickturn casting that does this but not quickturn injection molding Am i just naively overlooking something difficult?

True. Crazy what variety of manufacturing environments exist in China. From factories that are far more automated, clean, modern than any equivalent one in the US to ones that would get shutdown by a combined OSHA, EPA, NLRB squad in a day.

@CalebChamberla6 @aplewes 🎯 Markets that won't get aggregated: Very special materials, special applications with high and unusual requirements (very large, very small, very accurate, etc). Aerospace, in particular, will be one of the laggards. Which is why Hadrian makes no sense.

@aplewes Calling it a "market" is actually kind of misnomer. It's a technology service hundreds of markets and thousands of product categories. The markets that don't get aggregated will be ones that are too specialized to be performed by a generalist company.

In ten years, most of the $10 billion job shop metal fab market in the US will be owned by a small handful of companies.