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lol the hate is strong with this troll

create a custom profile
set DoDynamicSpeed to "True"

you have to create a custom profile

done 123456

I've been told by MakerBot, not to remove the nozzle.

But, I've done it anyway.
All the clogs I've encountered have been easily removed by putting the nozzle on a metal table and putting a heat...

my guess:
the clicking sounds are the filaments slipping in the extruder
less filament makes the roof thinner and the waves show up

slow the feed rate down a little, or thicken your roof

had the same problem awhile back
changed the so called "smart extruder" and the problem was gone
if you have a current makercare subscription, insist they send you a free replacment

$4500.00 + shipping

MakerBot Replicator Z18
Purchased new 8/2014
744 hours
3 smart extruders (1 installed in the printer with about 80 hours on it, 2 brand new in the box)


XXL Spool box

so from my experience:
If you print using the stone filament, the first print will be marble like, the second granite like, and the third will be a pile of dirt.

go to Thingiverse and search: helper disk and pacman corners .... for examples

basically you are putting a thin round disk on the corners, they will pull up and curl, hopefully keeping your square...

use helper disks (aka pac man corners, mickey ears)

I will have one to sell next week. Our Objet 500 Connex 1 is in route.
The Z18 was good for getting out feet wet, but its time to ditch the toy and move on to a professional machine.
No tears will...

Thanks for the link.

We have two primary uses:
1- print negative molds for open pour polyurethane casting
2- print positive masters for creation of silicone molds

secondary use: print proto...

Replicator Z18 sitting on a washer/dryer base. The drawer holds all my extra filament spools.
Wall bracket shelf to hold the 10lb spool box. 3874

I've learned a lot about 3D printing from this forum. And its been a big help getting up to speed with our MakerBot.
We are now ready to move on to a poly jet printer ($120,000+) machine.

I...

I will give painters tape a try on Friday (i have a 36 hour print going)
has anyone tried hair spray on the build tray?

just curious if anyone has had success printing without a raft on their Z18 or Gen 5
and if so, what are you doing to the build plate?

yes, the unfinished rough look is from the extruder being starved of filament.
If you have a Z18: take the top off and set up your spools above the printer, feeding directly into the extruder.
...

IMO MakerBot rushed the 5th gen to market to get a better price on the Stratasys buy out.
There are still a lot of issues that need to be resolved before they should claim its "plug and play"

Here are my temp results:
White PLA on a 10lb spool, the best results were at 219C
Green and Cool Gray on 2lb spool, the best results were at 217C

when I ran the white at higher temps the shells...

“The MakerBot family of 3D printers is by far our top selling in terms of units, we worked to make them as accessible as ever, all you need to do is take a Replicator Fifth Gen out of the box and...

ohhh and so far, I have yet to find any "stringy" issues

I'm running a print today at 220C
I think after reading your post I will jump to 225C next

This was sent via email earlier this month...

have you experimented much with temperature?
I've been getting better results at 219C, thinking of going hotter

I print a lot of big flat floored prints and fought the curling issue too.
Once I started adding helper disks, the problem went away....