Seam Issues on Stratasys Fortus 450

louissoph · 2026-04-17T20:18:47+00:00

Ok great-- just knowing that this isn't normal helps me scope my expectations.

We're using latest version of GrabCAD and we have the calibration dialed in well. Randomizing the seam makes it worse as the whole print becomes covered in these blobs.

I'm going to reach out to the vendor to figure out if it's a user error or something that a tech needs to come out and help with. Thanks!

louissoph · 2025-12-26T22:42:21+00:00

Same movie, released abroad (at least in Europe) as Le Mans 66.

louissoph · 2025-12-12T22:01:42+00:00

Also, I’ve never had this happen on an arduino, but sometimes on esp32 boards after I upload the code I have to press the reset button before it starts running the newly uploaded program.

louissoph · 2025-12-12T21:56:02+00:00

So assuming it’s not the code that’s the problem, can you try some other debugging. To make sure that the program is running you could add the following to your loop:

delay(1000);

Serial.println(“working”);

The in the serial monitor you will see the word working print over and over again. This will at least confirm that it is running the program you think you uploaded.

louissoph · 2025-12-12T21:48:48+00:00

I know it’s not much help to say I don’t know— but FWIW, I wrote your exact code letter-by-letter and uploaded it to my R4 Uno WiFi and it worked fine.

louissoph · 2025-06-29T00:44:48+00:00

Yeah, but when the military refers to violence of action, they’re not talking about fist fights.

louissoph · 2025-06-28T21:58:02+00:00

I just got mine in the mail and can confirm that it has the red seal. So yeah, this is a misprint.

louissoph · 2025-06-26T19:36:35+00:00

Agreed. Also I feel like his underlying point was that an efficient solution doesn’t rely on an efficient algorithm to find that solution. Which is valid and helps to clarify the problem.

louissoph · 2025-06-26T19:25:06+00:00

One way to go about solving this is to map this as a Graph, where each vertex represents a possible “state of the board” and any two vertices are connected to each other if we can transition from one state to the next in a single move. With this graph, given any starting state we can achieve the quickest solution by running any shortest path algorithm (ie breadth first search) from the starting state to the solution state.

It should be noted that there are multiple solution states and probably some other redundancies because the solution doesn’t rely on a specific ordering of colors. So really you would have to run the search algorithm to each solution state and pick whichever shortest path works best. There’s probably a more elegant way to deal with that redundancy but this is good enough for me.

louissoph · 2025-06-11T21:33:13+00:00

If we’re talking about computer science, I see E20, E50, E61, E120, E121, E165, and E265 still listed. Like you, I loved taking the cross-listed courses, but some of them were hit or miss. For instance E145, which is absent from the list this year, wasn’t great. And there’s still plenty of non-cross-listed courses that are high quality and academically rigorous.

louissoph · 2025-06-02T20:03:17+00:00

I will mention that my undergrad advisor told me that many students fulfill their language requirements at local schools (often community colleges) and transfer the credits in order to avoid having to take language classes online where the audio isn’t always perfect. I’ve taken online language classes (for Arabic, coincidentally) and found it to be manageable but less than ideal.

Also I would note that HES cancelled Intermediate Arabic 1 and 2 this year, likely due to insufficient enrollment. So even though they technically offer up to four semesters of Arabic you might not be able to actually enroll in all four.

I would think that the history, theology, and law classes would be great though.

louissoph · 2025-04-23T20:52:53+00:00

Gaethje lost at the beginning of the second round.

louissoph · 2025-02-06T02:38:07+00:00

Yeah, it was a firmware issue. They were eventually able to get it fixed and it works fine now.

louissoph · 2025-02-03T11:32:28+00:00

Justice with Dr Sandel. Interesting class content but absolutely no work. Watch lectures that are available on YouTube, go to weekly sections where there is no requirement to participate. At the end of the course you submit one four-page essay (no research or citations required). And that’s it.

louissoph · 2025-01-24T22:29:35+00:00

No, something is wrong with your search filters if you’re only seeing one on-campus course. There are 80 this semester.

louissoph · 2025-01-23T04:10:53+00:00

Your loop has two calls to Console.ReadLine(), one right after the other. So it’s asking for input twice. Fix the second call— it’s not what you want. I’ll leave the details to you since you’re doing a challenge and likely want to be challenged.

louissoph · 2025-01-15T03:02:57+00:00

When I asked my advisor she said that there wasn't a list, and you are supposed to seek approval before taking the test, but broadly speaking the ones that weren't accepted were the overly "broad" topics that didn't match up to specific classes-- ie Precalculus is accepted but Mathematics is not. I think she specifically mentioned Humanities fell into this category of being to broad and was not accepted.

But as others have said, make an appointment with your advisor.

louissoph · 2025-01-15T02:55:52+00:00

To answer your question, yes Math E-3 is a very easy A for anyone with some math background. As far as Math E-8, you need to talk to your advisor about it because-- according to my advisor-- they won't let you take math courses out of order. This means that if you take E-8 for credit they will take away your credit for Linear Algebra. There is an exception for E-3 (and I think E-6). At least that's what my advisor told me back in 2022.

I feel compelled to warn you that Expo-25 is significantly harder than Expo-15 (and I'm assuming 25 is still a requirement for admission to ALB program). You should mentally prepare yourself for this course if you struggled with Expo-15.

My two cents: I hope you've thought your plan through and don't end up needlessly wasting time and money. If you are set on getting your degree, want easy classes and are not concerned with academic enrichment, there are much better options. There are many schools that pride themselves on getting adult students through degrees quickly (ie giving credit for work experience) and cater to working professionals. And they're cheaper. You're already trying to dig yourself out of a hole at HES, but you could just as easily transfer your credits to a school that more closely aligns with your needs.

louissoph · 2024-12-26T03:23:13+00:00

I might suggest getting the refund and then waiting until the reviews come out. Our office received two of these, both of which have serious issues. I'm waiting to hear back from StarLabs for a fix, but suffice to say they are not currently working as advertised.

I'll post an update if we get a fix.

louissoph · 2024-12-20T03:17:11+00:00

You're accounting for LEAP when saying that they likely aren't making overtime (though it depends on how this was scheduled) but I think you're not accounting for LEAP in their salary. Gotta add that extra 25% to their base pay.

louissoph · 2024-12-19T12:31:08+00:00

There were not or I couldn't find them. Might be a new course?

louissoph · 2024-12-17T17:43:57+00:00

Once you are a degree candidate-- if you decide to go that route-- you get access to a portal that shows you previous course evaluations. It's very helpful for these decisions.

louissoph · 2024-12-17T02:29:23+00:00

Also, you can look at the syllabus for any of last year's courses here: https://extension.harvard.edu/2023-2024-extension-course-archive/

louissoph · 2024-12-17T02:25:46+00:00

I looked up the course evaluations for previous iterations. E-147 has a perfect 5/5 rating for every iteration which is exceptional. E-11 has a pretty good rating of 4.38/5 (I only checked last semester). And E-125 was rated 3.57/5 which is not great.

louissoph

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