tbm0115
  • Member for 6 years
  • Last seen more than a week ago
Mushy small top layers?
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21 votes

Layer Times See my answer to this question and pay particular attention to my suggestion about a minimum layer print time. I'm not sure if all slicing engines provide this option, but I know ...

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Why do the corners of my ABS object lift off the bed?
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18 votes

There are many different approaches to solving this issue and most of the answers already are spot-on. However, the fundamental reason for the "warping" is incorrect and inconsistent temperature ...

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Why do some models appear broken in slicing software?
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15 votes

My understanding is that this occurs when the object is not a true solid. Since an STL holds the triangulation of each face and spline, the slicing engine is not "smart" enough to determine ...

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How long is an extruder's/nozzle's life?
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14 votes

This is highly dependent upon the type and quality of filament you use. Exotic materials such as wood, metalic, or otherwise infused plastics can potentially wear out the inside of the nozzle and at ...

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How to automate printing of multiple parts continuously?
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13 votes

The only thing I can think of off hand is an old mod for the early MakerBot machines. It first was released for the Thing-O'-Matic I believe, but is compatible with Replicator 1 machines (and its ...

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What air filtration options exist for enclosures?
11 votes

My residential materials expert referred me to these links (3D Printing Fume Extraction Solutions, and ABS 3d Printer Nanoparticle and Chemical Exhaust Air Filter) and thinks that you're pretty much ...

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Should I enclose my 3D Printer?
11 votes

@kamuro provided an excellent answer, so I'll just try to add by playing devil's advocate. Possible things to look out for: Inappropriate enclosure could result in more temperature differences, ...

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Tips for making parts that push/snap together
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11 votes

There are many different ways too approach this and the question may be too broad, but here's a stab at it... Here are a few different ways that I've made parts that connect in the past: Example 1: ...

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Drilling 3D-printed plastic
10 votes

I wouldn't recommend drilling a hole in a 3D printed part in a traditional sense like with wood. Instead, I would merely ream a 3D printed part. I've done this quite a bit where I'll print my holes ...

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Does wood filament damage the printer nozzle?
9 votes

If you haven't been to their site before, you should check out the forums on 3DHubs. There's a lot of how-to's. A quick Google search yields this link to a similar question. The key thing to note is ...

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How to print an overhanging arc
9 votes

I think a lot of this depends on the slicing engine you're using as to what options you have. I use MakerWare (now MakerBot Desktop) which has many options for the support scaffolding as well as other ...

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How are things like a USB casing designed for 3D printing?
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8 votes

3D printing provides a faster method for prototyping and have always been labeled as prototyping machines. Until recently, it has been rare to see 3D printers used for "mass manufacturing". Yes, most ...

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Any fix for PLA prints getting more brittle over time?
8 votes

PLA absorbs moisture, so keeping the filament dry is a key factor. Aside from that, PLA is naturally more brittle than other plastics like ABS and Nylon Sorry, tried to find a graph to prove it, but ...

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Would a steel, instead of an aluminium, plate be reasonable?
8 votes

I would consider getting another aluminum build plate for the following reasons: Lightweight. Aluminum is a very lightweight metal, making it suitable for most machines that have injection molded ...

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Printing an iPhone Case
7 votes

Yes this is possible. For an FDM/FFF printer, you'll need to print with supports. I might also recommend printing in PLA to minimize the chance of warping during the print (from experience). It might ...

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Raft hard to remove?
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7 votes

A couple things to consider: Ensure that your build plate is flat and level. An un-parallel HBP could result in the object "welding" to the raft. Turn down your nozzle temperature. It is likely that ...

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Is it necessary to have both hot ends on a dual extruder printer at the same height?
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7 votes

I have a dual extruder Replicator 1 and having the nozzles at the same height is a must and albeit a bit of a struggle otherwise. At one point, I had to disassemble my extruder head and the nozzles ...

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How to achieve dimensional accuracy of printed parts
7 votes

I think it's important to remember that a 3D printer is both an R&D tool and a piece of manufacturing equipment. As such, we should treat it and it's process similarly to other pieces of ...

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How important is the minimum layer height on a 3d printer?
7 votes

As with any manufacturing process, you'll need to learn to "use the right tool for the job". It depends on the requirements of the part. To answer your question, I would suggest using a larger layer ...

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Multi-color printing with desktop 3D printer?
7 votes

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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How close should the nozzle be to the substrate?
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6 votes

Traditionally, using a piece of paper (about 0.004" thick) gets you close to your appropriate standoff. However, if you adjust your layer thickness, your standoff should reflect this. Ideally, you ...

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Are there any services that offer 3D scanning?
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6 votes

The right Google (or other) search should do the trick. I've provided 3D Printing services via 3D Hubs and MakeXYZ and some people do provide 3D scanning services. If you can't find 3D Scanning, you ...

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Choose infill percentage
6 votes

I don't believe that slicing engines create any sort of solid model that would be useful for CAD simulation. When a slicing engine slices a 3D model, it's goal is to spit out the preferred machine ...

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What does a "3 h5" mean in reference to the axle of a motor?
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6 votes

I think it's a reference to a tolerance. Look at this ISO table. This States that the nominal diameter of 3mm is held to a tolerance of +-0.004mm. @DarthPixel provided some great links identifying ...

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How to print edible food?
5 votes

MakerBot Industries had a mod available for their early open source machines called the Frostruder. It was basically a syringe connected to your print head. I saw this in action at the University of ...

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Why does the Ultimaker 3D Printer has a Heater + Heater transfer plate (aluminium) + Glass?
5 votes

According to this page, heat transfers more evenly across an aluminum build plate than with just glass. But as Kevin pointed PLA adheres better to glass because it doesn't flex as much as aluminum ...

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What is stopping us from mixing 3D filament colors in an Extruder?
5 votes

Branching off of TomvanderZanden's answer, this process cannot easily be done with an extruder alone. To properly color polymers, a pigment must be added during the initial treatment process (...

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Pulling filament through long tubes
5 votes

This is somewhat similar to a question I asked a while back. Pay attention to Ryan Carlyle's response in the question I posted. His post essentially explains various ways that guide tubes may hinder ...

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How to remove a PLA print stuck to a BuildTak sheet
5 votes

I would do as fred_dot_u initially suggested, by increasing the bed temp (or using a hair dryer) to heat the BuildTak. Then, use a small fan to quickly cool the platform (or at least quicker than room ...

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Micro 3D filament food safe
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5 votes

In general, PLA is known as a "food safe" filament, especially Natural PLA. However, filament suppliers have different processes that may detriment the food safe quality. Doing a little digging, I ...

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