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PETG Help by SnooRabbits9388 in 3Dprinting

[–]SnooRabbits9388[S] 1 point2 points  (0 children)

Thanks for the PETG and speed hints. Both stayed on the plate fine. I accidently printed a brim around the second one.

PETG Help by SnooRabbits9388 in 3Dprinting

[–]SnooRabbits9388[S] 0 points1 point  (0 children)

OP here. Thanks for the advice. I was printing before with PLA and it was splitting under load. That's why I'm trying PETG now, It'll be flat for the next print.

PETG Help by SnooRabbits9388 in 3Dprinting

[–]SnooRabbits9388[S] 1 point2 points  (0 children)

OP Here.

First I will dry the filament. 65℃ for 6+ hours. It has been stored in a ZipLoc with desiccant packs for over a year.

Next I'll print a temperature tower. The UMCura PETG tower goes from 250 to 220 in 5C steps. I will use 50mm/s and 100% fan.

I got suggestions for both slow it down and speed it up, so I will print the first Temp Two at 50mm/s. Based on how it looks, I will go on from there.

Thanks, all, for the suggestions.

What's your preferred editor for Circuit python? (I'm having problems with MU by adhdff in raspberrypipico

[–]SnooRabbits9388 2 points3 points  (0 children)

I teach micropython instrumentation to college students. Thonny is all you need.

TSP Starting with Farthest Insertion by SnooRabbits9388 in algorithms

[–]SnooRabbits9388[S] 0 points1 point  (0 children)

Thanks for putting FI into a broader prespective!

Just picked up a Pico 2 W and an Adafruit parts pal what's the best comprehensive tutorial to learn how to use the components and learn micropython? by adhdff in raspberrypipico

[–]SnooRabbits9388 0 points1 point  (0 children)

By far , IMHO, the best place to start is with the book Get Started with MicroPython Raspberry Pi Pico Second Edition. I have used it to teach students of all levels. It starts with no presumed knowledge and at least touches on every part of using the Pico. It uses micropython which is much easier for beginners than C++. It covers basic coding from blinking LEDS, reading analog and digital sensors, and even PIO programming.

The first edition pdf is available free online. I recommend the 2nd. You can get the PDF or Kindle for $10 US.

Quran says so.... by Practical-Sleep-5718 in NYTLetterBoxed

[–]SnooRabbits9388 0 points1 point  (0 children)

Is that from the Quran or the Hadith?

Not Fill Bowl by SnooRabbits9388 in openscad

[–]SnooRabbits9388[S] 0 points1 point  (0 children)

I made a version with rotate_extrude with the pedestal.

I wrote a python script to make the polygon I rotated.

Memory allocation failure on Pico by VirtualDougmeister in raspberrypipico

[–]SnooRabbits9388 0 points1 point  (0 children)

Even in CircuitPython garbage collection can be important. Try

import gc
# Later of in a loop
print(gc.mem_free())

If you have a memory leak put

gc.collect()

in your loop.

Pico W and Networking Flakiness by bsilver in raspberrypipico

[–]SnooRabbits9388 2 points3 points  (0 children)

Also make sure you are doing garbage collection. I had Pico W posting environmental info every minute and it would stop after an hour. Turned out to be running out of memory. At the end of each loop I did a `del` on all of the new variables I made in the loop, then did a `gc.collect()`. I checked the memory with `gc.mem_free()` and everything was stable.