10 votes

How thin can I make the wall of a pipe?

The thinnest wall your printer can print is determined by its nozzle size, and will be a little thicker than that nozzle size. A great challenge when dealing with thin, hollow cylinders is that the ...
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9 votes
Accepted

Multi-color printing with desktop 3D printer?

The most obvious solution is to pause the print and swap filament for another color. Another option is to splice pieces of filament together, though this does not allow very precise control of when ...
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9 votes
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Are the Makerbot 5th generation's initial issues resolved

Makerbot claims the problems are fixed. I have heard from a number of resellers that the problems are fixed. Unfortunately, both of those are somewhat biased sources. It's surprisingly hard to get ...
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  • 6,436
8 votes
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Is it possible to use an aftermarket controller on a MakerBot?

You can put pretty much any controller in pretty much any printer, with a few noteworthy details you need to keep in mind for a Replicator 1. Makerbots use thermocouples. Most RepRap style 3d ...
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  • 6,436
8 votes
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Layer delamination

Cool environmental conditions are the single biggest contributor to ABS delamination. Delamination or edge/corner cracking is caused by warping stresses when the first layer adhesion is stronger than ...
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  • 6,436
8 votes
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Irregular 3D printed part

Your print isn't cooling fast enough. With small, thin prints like this, PLA needs a fair bit of airflow to solidify before the next layer goes down. Your printer doesn't appear to have a proper print-...
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  • 6,436
8 votes
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What causes bubbles in extruded filament?

Oh yeah, that's simple. You are printing too hot and are literally boiling the plastic. Else you have water. However if it was water you would hear Crackling as it printed. If it is too hot you will ...
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  • 3,003
7 votes
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Why does MakerBot Replicator heat the extruder and platform separately?

It really doesn't quite have enough power to heat everything at once. Initially bringing the bed up to temp takes a lot of current and so Makerbot's start sequences decrease stepper current and hold ...
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  • 6,436
7 votes

Multi-color printing with desktop 3D printer?

I've seen where certain slicers and/or firmware installations will allow you to set pauses mid-print so you can insert a different filament and resume. Such firmware that I'm aware of is Sailfish. I ...
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  • 6,214
6 votes

How thin can I make the wall of a pipe?

The thinnest possible will be a single outline, so the best you can possibly do is slightly larger than your nozzle size. The biggest issues I see in terms of making a thin airtight tubes are: ...
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  • 471
6 votes

What causes bubbles in extruded filament?

In my experience, bubbles like this are caused by the filament absorbing moisture, which then cooks out at the high printing temperatures. See: http://reprap.org/wiki/...
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  • 2,282
6 votes
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Infill pattern comparison

Hex grids are used for different reasons than triangular grids (such as you often see on bridges and roof systems). Triangles are especially good at being rigid, while hex grids are very material-...
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  • 3,161
5 votes
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How to upload my works to Thingiverse without making my real name public

To change your displayed name (as opposed to username) in Thingiverse: Go to your profile page Click "Edit Profile" on the info column on the left At the top, next to "Thingiverse Settings" is ...
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  • 1,456
5 votes
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Updating firmware on Monoprice Architect printer

The Monoprice Architect is is a bare-bones FlashForge Creator that has been re-badged for Monoprice. The Creator line is a very popular set of printers, so there is lots of good advice out there. The ...
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  • 6,436
5 votes

Multi-color printing with desktop 3D printer?

Another approach is Mosaic Manufacturing's Palette – it appears to a single extruder 3D printer as a filament reel, but it is creating a custom filament on-the-fly by pulling information from a ...
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  • 316
5 votes

Troubleshooting filament slip on MakerBot 5

Oh interesting. By slips, I take it you mean that the raw filament slips, not the print slips. This will happen for a few reasons. First the tooth gear that grabs the plastic is either: Worn out Out ...
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  • 3,003
5 votes
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Printing coarse threads

There are some software tools that let you manually design support structures so you can target the areas that need them, and avoid others. For example, Meshmixer can be used to add supports into ...
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  • 778
5 votes

Replicator+ Experimental Extruder Filament Slipping Error

As the comment section doesn't allow to use too many characters, I've converted the comment into a proper answer. In the question is stated that: ... results of testing the Experimental Extruder ...
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  • 30.3k
5 votes

Can't control printer via USB

Good morning, and welcome to 3D Printing SE. You said: "I can see information from the printer via USB in RepG and through OctoPrint, but can't send any prints, commands or upgrade firmware (I wanted ...
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  • 4,398
4 votes

Multi-color printing with desktop 3D printer?

Answering this question fully depends on the type of printer you have. Some printers have a pause capability, while others do not. Some have multiple extruders, while most do not. Some have a tube ...
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4 votes
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MakerBot Replicator 1 Voltage Regulator Fix

What's the part number of the regulator you're putting in? The pin assignments vary from one part to another, but you can probably find them from the part number online. Some parts have the ground pin ...
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  • 3,161
4 votes

How to upload my works to Thingiverse without making my real name public

You can put whatever name you want in when you make an account - You decide what your name is, people go by pseudonyms in 'real life' all the time, this is perfectly acceptable. There are actually ...
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4 votes
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Why won't makerbot accept an STL file from Blender?

Here is what I suggest you try. If you have a file that you can view/edit in blender I would export it as both STL and OBJ formats. Then take those files and upload them to Netfabb (https://netfabb....
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4 votes

Layer delamination

I know some could not fit your question but maybe someone will look for all possibilities. Delamination can be caused by: filament humidity diameter extruder pressure (holdfast) - soft filament ...
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  • 3,438
4 votes

Troubleshooting filament slip on MakerBot 5

I posted an edit to the top answer in hopes that it will get changed for anyone looking at this post in the future but in case it gets rejected here is the actual issue and fix. If you just want the ...
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4 votes

Is it safe to print a rotor insert for a centrifuge using a makerbot?

It's difficult to determine if the buckets are fully enclosed, but I suspect that they are. The enclosure into which the inserts are placed will provide some structural support. 3D printed objects ...
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  • 9,792
4 votes

How to fix transparent outer face?

You've not offered the source of the model, nor the software from which it was created, but I suspect that you'll find the "invisible" faces have reversed normals. This is a characteristic of modeling ...
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  • 9,792
3 votes

Why won't makerbot accept an STL file from Blender?

Makerbot will accept obj files also. Is there an error while importing the obj file? Also you can see errors of your imported file in your makerbot It will be marked in black. Please make sure your ...
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  • 153
3 votes
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Filament Guides Drag

For an easy test, try manually pulling the filament through the U-loop of guide tube. How hard is it to pull through? It should only take 1-2 lbs of tension at most. Then do a "tug test" on the ...
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  • 6,436
3 votes

Are the Makerbot 5th generation's initial issues resolved

Realizing this question is somewhat old, I'd like to add an update from the perspective of an owner. I've used/tested the Smart Extruder+ on my Replicator+ for about a year now and have had great ...
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  • 6,214

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