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  • Brian Jackson
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23 Jan 2020 09:55 #21508 by Brian Jackson
Replied by Brian Jackson on topic 3D Printing
Yesterday afternoon I reviewed the new program to be printed, lots of boxes ticked and all(I hoped) the suggested tweaks and mods incorporated. The only thing left to do was to try it out. The photos show the state of play at around 09.00 this morning. No crashes and birds nests, everything still on the build plate and it looks as though the internal details are all there. The printer's control panel shows that 61% of the print is complete and the elapsed time etc. The "Z" figure is the height of the items so far. I'm using translucent PLA, I thought it looked quite nice on the prototype, especially with a darker colour on the fuselage. Just in case it'll be difficult to see in the air, I'll paint some stripes or something on the flying surfaces. I've got all the hardware for the model, so with luck and hopefully no more wobblies, the 3DLabPrint Joker will be a successful 3D printed model. The shot of the waste bin is the total output so far for January.
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23 Jan 2020 12:04 #21509 by Phillip Ford
Replied by Phillip Ford on topic 3D Printing
Glad to see your doing your bit for plastic recycling. I used to say the problem with recycling plastic was that they just used the stuff to make more cones to stack on the motorways for miles (with no-one in sight doing anything) and hinder my just-in-time delivery progress or speed humps.

Parts look good, although transparent could hide some defects. Keep going, you will master 3D shortly.:lol:

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23 Jan 2020 14:20 #21515 by Brian Jackson
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Not sure about plastic recycling Phil. PLA is naturally degradable and if left outside will simply "weather away". I can't make up my mind whether to put the useless parts in the kitchen waste bin, or dig them into the flower beds.

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23 Jan 2020 15:40 #21516 by Mike Seale
Replied by Mike Seale on topic 3D Printing

PLA is naturally degradable and if left outside will simply "weather away". I can't make up my mind whether to put the useless parts in the kitchen waste bin, or dig them into the flower beds.


You could use the same argument about Mount Everest. Given enough time it will naturally weather away!

Do not put your PLA in the kitchen compost bin because it is not BIOdegradable. And if you put them in the flower beds they will still be there in hundreds of years from now. Could be interesting for some archaeologists to paw over.

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23 Jan 2020 16:37 #21517 by Brian Jackson
Replied by Brian Jackson on topic 3D Printing
Problem solved! I transferred all the junk PLA parts into a cardboard box ready to take to the local tip. I left the box outside my shed at the bottom of the garden. Unfortunately the fence between our property and "next door" has a loose panel that has needed replacing for a long time. Fortunately, "next door" have been boarding a goat for a relative who is away on holiday for a few weeks. As you know, goats are inquisitive and will eat almost anything, it must have butted aside the loose panel and investigated the contents of the cardboard box. The PLA was a tasty snack, crunchy too! Even one corner of the cardboard box was chewed off.
How fortunate was that? Saved me a visit to the tip, and with a chunk missing, the cardboard box was easy to fold up and put into the Big Bin.
Glad I didn't mend the fence last year.

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23 Jan 2020 16:48 - 23 Jan 2020 16:49 #21518 by Phillip Ford
Replied by Phillip Ford on topic 3D Printing
That's awful! Eating your plastic without prior knowledge. Dread to see what comes out the other end. Possibly a decent looking billy wing.....:lol:
Last edit: 23 Jan 2020 16:49 by Phillip Ford.

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23 Jan 2020 17:14 #21519 by Brian Jackson
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PLA Composting
Biodegradation of a PLA bottle
Biodegradation of a PLA bottle Source: Dr. Mariano Ramirez / sustpkgg.blogspot.com
If you can’t turn PLA into recycled plastic through conventional means, there’s another interesting way to deal with it without sending it to a landfill. One of the unique features of PLA is that it’s a biodegradable plastic, which means it can be broken down over time by bacteria and fungi. You can take advantage of this fact by “composting” your PLA waste.

Composting PLA involves breaking it into small pieces and leaving it in a microbe-rich environment like a compost pile. Depending on your local conditions, it can take a very, very long time until the PLA is fully broken down. (Expect up to a year in wet climates, and even longer in dryer climates!)

I think it'll take less that a year to compost now that the goat has made a start on the process! So far there's a cluster of small round balls that glow slightly in the dark, easy enough to combine with the contents of the compost heap. We don't grow vegetables so it won't do much harm if the flower beds fluoresce gently through the night.

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23 Jan 2020 21:16 #21520 by Kevin Ross
Replied by Kevin Ross on topic 3D Printing
So if you loose a 3D printed model in the crops - how long before all thats remains is just the Electrics and pushrods ?

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23 Jan 2020 22:03 - 23 Jan 2020 22:05 #21521 by Brian Jackson
Replied by Brian Jackson on topic 3D Printing
Not a problem Kevin, John Bannister would spot it on his early morning patrol, and leave it in the Club hut. Sorted!
Last edit: 23 Jan 2020 22:05 by Brian Jackson.
The following user(s) said Thank You: John Bannister

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24 Jan 2020 09:33 #21522 by Brian Jackson
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I should have opened the box from Hobby King, then I wouldn't have felt so smug a couple of days ago. Yesterday evening I had an email from HK asking what I would like to do about the brushless motor that I'd ordered but they didn't have any more. Funny how an item goes from available to "back order" as soon as you try to buy it. Naturally, nothing worth doing is ever easy, the original folding prop assembly won't fit any other motor than the one from HK, so a replacement for the motor will include another prop/spinner/blades.

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