Unofficial Prusa Mini Wait Thread  

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clemens.m
(@clemens-m)
Estimable Member

Whom of you (already owning a MINI) have checked the angles between the 3 axis (x, y, z axis).

Spent time today to have a look at this  and found out that my MINI had a problem between x- any y-axis. So I created two parts to check the angles - one cube with 40 mm each side and a flat (only 5 mm high) square (40 x 40 mm) to check x- and y-axis.

After printing and grinding on a fine sanding paper I used vernier caliper and looked a against a lamp - if you received a good setting, the smale line of light should have the same intensity (thikness) over the hole length of the cube. I tried to make a picture, is not that easy, I am missing some more hands. I also attached the files of the two parts.

Setting up the angle between x- and y-axis was some kind of try and error, but at the end I made it. To change the angle I opened the screw which connects the bed with x- and z-axis part (the screw that is directly connecting to the profile of the bed)

 

Check_XYZ_40mm - Testwuerfel.stl

Maybe a help to you if you have the same issue.

Best regards, Clemens 

Posted : 01/03/2020 10:34 pm
Frankincell
(@frankincell)
Estimable Member

When your print is 99% done... 

And you still have over an hour to go...

All your filament are belong to us!...
Posted : 01/03/2020 11:50 pm
Frankincell
(@frankincell)
Estimable Member

@clemens-m

Thank you Clemens.  I haven't had an issue with that so far.  I'll keep an eye on it though.

All your filament are belong to us!...
Posted : 02/03/2020 1:16 am
Hawwwran
(@hawwwran)
Reputable Member

There was no order marked as shipped in our spreadsheet yesterday.

There were three orders marked directly as delivered.

https://docs.google.com/spreadsheets/d/1cEUO-8AQevqBbD37C25bSPWbb3Lpk6q_-WZuZ0HOIOY

This post was modified 3 months ago by Hawwwran
I have come here to chew bubblegum and get my MINI ... and I'm all out of bubblegum....
Posted : 02/03/2020 7:37 am
Frankincell
(@frankincell)
Estimable Member

Well, the good news is that it finished!   6 Days and 7 Minutes.
And overall it's an amazing print.

But I did find a couple of errors.
First is the UN logo which I've already fixed in the model.

Second is the inside of the base, which I've now modified to be more printable.

I'll post v2 up here on the Prusa site shortly.

 

All your filament are belong to us!...
Posted : 02/03/2020 2:28 pm
scott.r20 liked
stevensmith
(@stevensmith)
Estimable Member

@frankincell

Congrats on a successful print!  I don't think I've heard of a longer one.

I probably wouldn't have done all the pieces at once, you're much braver than I!

Posted : 02/03/2020 2:44 pm
tom-6
(@tom-6)
Active Member

Today is my birthday and I just received great news.

My order, from the 16th, has shipped today by FedEx and is scheduled to be delivered tomorrow.

Next day delivery - I'll believe it when I see it.

Posted : 02/03/2020 4:12 pm
scott.r20 liked
Frankincell
(@frankincell)
Estimable Member

@stevensmith

Thank you, I agree, I wouldn't recommend doing all the pieces at once. 

It was a good test of the Prusa Mini.  The electronics, power supply, motors, belts, everything is very reliable.

All your filament are belong to us!...
Posted : 02/03/2020 4:41 pm
tlovern
(@tlovern)
Eminent Member

@frankincell

Awesome!

 

The Roci is one of the first things I plan on printing after I get my printer.

I'm not a mad scientist, I'm an angry engineer in training....
Posted : 02/03/2020 4:50 pm
burtronix
(@burtronix)
Trusted Member

@frankincell

Why not do a flat bottom base with a low infill %, rather than a hollow base? In my brief experience with MK3S, flat bottom with low infill % prints faster than hollow. You eliminate the inner perimeter wall that prints at slower speeds. Also, small infill between inner & outer wall requires more retractions & other non-extruding movements. You also get better bottom adhesion (but on this print you don't need it). 

This post was modified 3 months ago by burtronix
Whatever you find to do with your hands, do with all your might!...
Posted : 02/03/2020 5:06 pm
Hawwwran
(@hawwwran)
Reputable Member

I had a problem problem with jet black prusament today. 3 prints ruined. The reason? The filament snapped in mid print. I didn't know why, but then I noticed. When feeding to the printer, the filament is touching the sides of the spool. The sides have "hooks" to hook she filament in. As the spool was rotating, once on was in the "right" position, the filament jumped in the hook making the rotation impossible. The printer then snapped the filament in the hook by trying to pull it. I talked with the support about the issue and they said they talked about the design already. I hope they will wimove those hooks ASAP. Very tricky design.

I have come here to chew bubblegum and get my MINI ... and I'm all out of bubblegum....
Posted : 02/03/2020 8:23 pm
rick.m12
(@rick-m12)
Trusted Member

@hawwwran

Could you use some tape to block those hooks?

Posted : 02/03/2020 8:56 pm
53stephen
(@53stephen)
New Member

I ordered a Mini after comparing many different printers on YouTube. I shan't get it until after June but it gives me time to learn a modelling software program. I chose DesignSpark Mechanical because it seems more specific than the new Blender, but I downloaded that too out of curiosity. 

Posted : 02/03/2020 9:08 pm
Hawwwran
(@hawwwran)
Reputable Member
Posted by: @rick-m12

@hawwwran

Could you use some tape to block those hooks?

I suppose so. I cut small pieces of the filament and placed them into those hooks. That worked.

I have come here to chew bubblegum and get my MINI ... and I'm all out of bubblegum....
Posted : 02/03/2020 9:12 pm
rick.m12 liked
53stephen
(@53stephen)
New Member

@hawwwran

My order of the 19th Feb to Finland is missing from the spreadsheet 🙁

Posted : 02/03/2020 9:16 pm
Hawwwran
(@hawwwran)
Reputable Member

@53stephen

Feel free to add it yourself 😉

I have come here to chew bubblegum and get my MINI ... and I'm all out of bubblegum....
Posted : 02/03/2020 9:17 pm
billdifabio
(@billdifabio)
Active Member

@frankincell

That model is just straight up awesome. It has inspired me to watch the series by the way. I can't believe I haven't started until now. I'm on the last episode of season 1.

Posted : 02/03/2020 9:18 pm
Frankincell
(@frankincell)
Estimable Member

@burtronix

Good Point!  I'll create a solid version and slice it to see what the difference in print time will be.

I'll try the same thing with the ship model.  If it reduces print-time that would be great.

I'm so used to hollowing everything out on my resin prints that I just carried it back over to my FDM prints.

All your filament are belong to us!...
Posted : 02/03/2020 9:32 pm
Frankincell
(@frankincell)
Estimable Member

@billdifabio

Thanks much.  It's an excellent series.

All your filament are belong to us!...
Posted : 02/03/2020 9:52 pm
matthew.g34
(@matthew-g34)
Active Member

I'm happy to report that although the shipping box resembled an extra on the Samsonite luggage adverts, the printer assembled and ran with out any apparent problems.

Test print of the big nut is in progress, because everyone needs a big blue nut 🙂

Senjak

Posted : 03/03/2020 5:12 am
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